1. Chifukwa Chake Kapangidwe ka Mabatire Ndikofunikira pa Zinthu Zogulitsa Zogulitsa Kunja Zambiri

Wogulitsa katundu wochuluka amene amaitanitsa nyali zazikulu zotha kuchajidwa kuchokera ku fakitale yaku China nthawi zambiri amasunga zinthuzo m'nyumba yosungiramo katundu kwa miyezi 3-12 nthawi yogawa katundu isanayambe kusuntha mayunitsiwo kwa makasitomala omaliza. Nthawi yosungiramo katundu ndi nthawi yomwe batire yotha kuchajidwanso mkati mwa nyali yayikulu imakhala pachiwopsezo chachikulu cha kutayika kwa mphamvu - maselo amakhala pamlingo wokhazikika (SOC) kwa miyezi ingapo, akukumana ndi kusintha kwa kutentha, ndipo zamagetsi za nyali yayikulu zimakoka mphamvu yaying'ono ya parasitic kapena zimachotsedwa kwathunthu ku maselo (kutengera kapangidwe kake).

Mapangidwe awiri akuluakulu a mabatire pamsika wa nyali zoyatsira magetsi ndi selo lochotseka la 18650 lithiamu-ion ndi paketi ya lithiamu-polymer yomangidwa mkati (yotsekedwa). Selo la 18650 ndi mawonekedwe ozungulira (m'mimba mwake 18mm, kutalika kwa 65mm) lomwe limagwiritsidwa ntchito m'makampani onse amagetsi, ndipo selo limayikidwa m'chipinda chochotseka cha batri chomwe wogwiritsa ntchito amatha kutsegula ndi ndalama kapena screwdriver. Phukusi lomangidwa mkati ndi selo lopangidwa ndi lithiamu-polymer lopangidwa mwapadera lomwe limatsekedwa mkati mwa nyumba ya nyali yoyatsira magetsi ndipo limayikidwanso kudzera pa doko la USB pambali pa nyumbayo.

Deta yokhudza kulephera kwa katundu yomwe ndi yofunika kwa wotumiza kunja si kuchuluka kwa kulephera kwa katundu m'masiku 30 oyambirira (komwe nthawi zambiri kumakhala ndi zolakwika za fakitale ndipo kumakhala kofanana pa zomangamanga zonse ziwiri), koma kuchuluka kwa kulephera kwa katundu mkati mwa miyezi 3-12 yosungiramo katundu (komwe kumayendetsedwa ndi kukalamba kwa maselo a lithiamu ndipo ndikosiyana kwambiri pakati pa zomangamanga ziwirizi). Deta yomwe Ningbo Mengting adasonkhanitsa kuyambira 2014 pamzere wazinthu za nyali yamutu wa 18650 ndi mzere wazinthu zomangidwa mkati zikuwonetsa ubwino wowonekera wa zomangamanga za 18650 pamlingo uwu.

Kwa ogulitsa zinthu ochokera kunja omwe akuyang'ana kusinthana kwa zinthu koyamba, mfundo yofunika kwambiri ndi yakuti nthawi yosungiramo zinthu m'nyumba yosungiramo katundu ndi yosiyana kwambiri ndi nthawi yogwiritsira ntchito ogwiritsa ntchito. Munthawi yogwiritsira ntchito ogwiritsa ntchito, nyali yamutu imakhala ikuyendetsedwa bwino (kuchajidwa ndi kutulutsidwa), ndipo batire ikugwira ntchito momwe imagwiritsidwira ntchito. Munthawi yosungiramo zinthu m'nyumba yosungiramo katundu, nyali yamutu imakhala yosagwira ntchito pa SOC yokhazikika, ndipo batire ikukalamba pa kalendala yomwe siili yokhazikika pa nthawi yogwiritsira ntchito. Kukalamba kwa kalendala ndi njira yolephera kwambiri panthawi yosungiramo zinthu m'nyumba, ndipo kuthekera kwa kapangidwe ka 18650 kusungidwa pa SOC yoyenera ndiye chinthu chofunikira kwambiri.

2. Kuyerekeza kwa Kutaya Mphamvu kwa Miyezi 12

Deta yokhudza kutayika kwa mphamvu yomwe ili pansipa ikuchokera ku zolemba za chitsimikizo cha Ningbo Mengting pambuyo pa kugulitsa kwa nthawi yopangidwa ya 2014-2025, yogawidwa ndi kapangidwe ka mabatire. Deta iyi ikuphatikizapo nyali zoyendera pafupifupi 1.8 miliyoni zomwe zatumizidwa m'mizere yonse iwiri ya malonda, ndipo zopempha za chitsimikizo zimatsatiridwa kudzera mu njira yogawa katundu woitanitsa ndi njira yobwezera makasitomala ogulitsa.

Kapangidwe ka maselo ochotseka ka 18650:Pambuyo pa miyezi 12 yosungiramo zinthu zosungiramo zinthu pa kutentha kwa madigiri 25 Celsius komanso 50% SOC (yomwe imatumizidwa ndi Mengting), maselo 18650 amasunga pafupifupi 85-90% ya mphamvu yoyambirira. Wogwiritsa ntchito amawona izi ngati nthawi yochepa yogwiritsira ntchito pa chaji iliyonse, koma nyali yamutu ikugwirabe ntchito ndipo selo likadali mkati mwa malire a mphamvu ya 80% ya maselo "abwino". Chiwongola dzanja cha chitsimikizo cha miyezi 3-12 yosungiramo zinthu zosungiramo zinthu chili pamlingo wa 1-2%, wolamulidwa ndi maselo omwe adatumizidwa pa SOC yotsika kuposa 50% yovomerezeka.

Kapangidwe ka paketi ya lithiamu-polymer yomangidwa mkati:Pambuyo pa miyezi 12 yosungiramo zinthu m'nyumba yosungiramo zinthu, mapaketi omangidwa mkati mwake amakhala ndi mphamvu yofanana ndi 60-75% ya mphamvu yoyambirira. Wogwiritsa ntchito amaona izi ngati nthawi yochepa yogwiritsira ntchito pa chaji iliyonse, ndipo pafupifupi 10-15% ya mayunitsi, nyali yamutu sidzayatsa konse chifukwa mphamvu yapaketi yatsika pansi pa malire ocheperako a ntchito ya nyali yamutu (nthawi zambiri 3.0V ya paketi ya lithiamu-polymer ya selo limodzi). Chiwongola dzanja cha chitsimikizo m'miyezi 3-12 chili pamlingo wa 5-8%, pomwe njira yolephera kwambiri ndi "mphamvu yapaketi yotsika kwambiri kuti igwire ntchito pa nyali yamutu."

Chiwongola dzanja cha chitsimikizo cha 3-5 cha ma paketi omangidwa mkati chimakhudza mtengo mwachindunji kwa wotumiza kunja. Chiwongola dzanja cha 5% pa chidebe cha mayunitsi 10,000 pamtengo wa $15 wogulira ndi chitsimikizo cha $7,500 kuphatikiza mtengo wotumizira kuti abwezeretse mayunitsi omwe ali ndi vuto ku fakitale. Pa maoda angapo a ma kontena, izi zimapangitsa kuti phindu lalikulu lomwe wotumiza kunja ayenera kulitenga kapena kulipereka pamtengo wogulitsa (zomwe zimachepetsa mpikisano motsutsana ndi otumiza kunja omwe amapeza nyali zamutu zochokera ku 18650).

3. Chifukwa Chake Kapangidwe ka 18650 Kapambana: Fiziki ya Kukalamba kwa Kalendala

Chifukwa chomwe kapangidwe ka 18650 kamaposa kapangidwe ka paketi yomangidwa mkati mwa malo osungiramo zinthu chimachokera ku fizikiki ya ukalamba wa kalendala ya lithiamu-ion, makamaka kudalira kwa SOC ndi kutentha komwe kumatsimikiza momwe maselo amataya mphamvu mwachangu pamene sakuyendetsedwa mozungulira.

Kudalira SOC:Maselo a lithiamu-ion amataya mphamvu mwachangu kwambiri akasungidwa pa SOC yapamwamba (kupitirira 80%) ndipo pang'onopang'ono kwambiri akasungidwa pa 40-60% SOC. Kuchuluka kwa kukalamba kwa kalendala kumawonjezeka kawiri pa kuwonjezeka kulikonse kwa 10% kwa SOC yosungira pamwamba pa 50%. Phukusi lomangidwa mkati lomwe limatumizidwa kuchokera ku fakitale pa 80-100% SOC (zomwe zimachitika kawirikawiri pamapaketi omangidwa mkati chifukwa fakitale imawayika pa SOC yapamwamba kuti kasitomala athe kugwiritsa ntchito nyali yamutu popanda kuyatsa kaye) lidzakalamba mofulumira kwambiri kuposa selo la 18650 lomwe limatumizidwa pa 50% SOC.

Kudalira kutentha:Maselo a lithiamu-ion amataya mphamvu zawo mofulumira kwambiri kawiri pa kutentha kulikonse kwa madigiri 10 C komwe kumawonjezeka. Nyumba yosungiramo zinthu m'nyengo yotentha (avereji ya madigiri 30 C) idzawona kutayika kwakukulu kwa mphamvu zawo kuposa nyumba yosungiramo zinthu m'nyengo yozizira (avereji ya madigiri 20 C). Kapangidwe ka 18650 kamalola wogulitsa kunja kuchotsa maselowo ndikusunga m'malo olamulidwa ndi nyengo (omwe wogulitsa kunja amatha kuyikapo ndalama zambiri kuti agwiritse ntchito maselo otayirira kuposa nyali zamutu zomwe zasonkhanitsidwa), zomwe zimachepetsa kukalamba kwa kutentha.

Kudalira madzi otayira tizilombo toyambitsa matenda:Mapangidwe ambiri a nyali zamutu amaphatikizapo ngalande yaying'ono ya parasitic pa paketi ya batri ngakhale nyali yamutu itazimitsidwa - nthawi zambiri kuti isunge chizindikiro cha LED cha batani lamphamvu kapena chizindikiro cha mulingo wa batri. Ngalande ya parasitic pa paketi yomangidwa mkati idzatulutsa pang'onopang'ono paketiyo panthawi yosungiramo zinthu, zomwe zimapangitsa kuti paketiyo ichotsedwe pa 80% SOC potumiza mpaka 40-50% SOC pa miyezi 6 ndi kufika pa 0-20% SOC pa miyezi 12. Paketiyo ikatsika pansi pa 20% SOC, maselo amalowa mu mkhalidwe wowononga kwambiri womwe umawononga maselo kwamuyaya. Kapangidwe ka 18650 kamachotsa njira yolephera iyi chifukwa maselo amatha kuchotsedwa pa nyali yamutu polandira kuyang'aniridwa. Zofunikira zotumizira ndi kusungira maselo a lithiamu-ion zomwe zimagwiritsidwa ntchito kwa ogulitsa omwe akutenga maselo a 18650 m'mabizinesi ambiri zalembedwa muMalamulo a Katundu Woopsa a IATAndiMalangizo a UN pa Kunyamula Katundu Woopsa, onse awiri omwe amaika maselo a lithiamu-ion m'gulu la katundu woopsa wa Class 9 wonyamulira ndege ndipo amafunika kulongedza ndi kulemba zilembo zinazake.

Ndondomeko yoyezera:Labu ya Mengting imayesa kusungidwa kwa mphamvu kwa miyezi 12 mwa kusunga chitsanzo cha nyali 50 kuchokera ku gulu lililonse lopangira mu chipinda chozizira madigiri 25 Celsius ku fakitale yotumizira SOC, kenako imayesa mphamvu yotulutsira mphamvu pa gawo la miyezi 12 pogwiritsa ntchito mayeso okhazikika otulutsira mphamvu pamlingo wovomerezeka wa kutulutsidwa kwa nyali. Chiwerengero cha mphamvu yotulutsira mphamvu chimawerengedwa ngati (mphamvu yotulutsira mphamvu pa miyezi 12) / (mphamvu yoyambirira yoyesedwa) x 100. Deta yomwe yanenedwa apa ndi avareji ya zitsanzo 50 kuchokera ku magulu 36 opanga pakati pa 2014 ndi 2025.

Kuyerekeza nkhani:Ziwerengero zosungira mphamvu zomwe zili pamwambapa ndi za nyali zam'mutu zomwe zimasungidwa pansi pa mikhalidwe yoyang'aniridwa ya labu (25 digiri C, 50% SOC, palibe ngalande yotulutsa poizoni kupitirira kutulutsa kwachilengedwe kwa maselo). Mikhalidwe yeniyeni ya nyumba yosungiramo zinthu nthawi zambiri imakhala yoipa kuposa mikhalidwe ya labu - nyumba zosungiramo zinthu zimakhala zotentha kuposa madigiri C 25 m'miyezi yachilimwe, ndipo SOC imatha kuyenda pakapita nthawi chifukwa cha ngalande yotulutsa poizoni m'magetsi a nyali zam'mutu. Chidziwitso cha otumiza kunja chikuwonetsa kuti kusunga mphamvu kwa miyezi 12 yeniyeni kuli pafupifupi 10-15 peresenti poyerekeza ndi chiwerengero choyesedwa ndi labu cha zomangamanga zonse ziwiri.

4. Matrix ya Zosankha za Ogulitsa Zinthu Zakunja

Matrix ya zisankho yomwe ili pansipa ikufotokoza mwachidule kusiyana pakati pa zomangamanga ziwirizi kwa wogulitsa katundu wochuluka. Mzere uliwonse ndi muyezo wa chisankho; mzati wa zomangamanga zonse ukuwonetsa chiwerengero choyerekeza.

Kutayika kwa mphamvu yosungiramo zinthu m'nyumba yosungiramo katundu:18650 yapambana kwambiri (kutayika kwa 5-10% poyerekeza ndi kutayika kwa 25-40% kwa yomangidwa mkati).

Chiwongola dzanja cha chitsimikizo:18650 yapambana kwambiri (1-2% vs 5-8% ya zomangidwa mkati).

Mtengo wa chipangizo chogwiritsira ntchito fakitale:Nyumba yomangidwa mkati imapambana pang'ono (yotsika mtengo 5-10% chifukwa cha kapangidwe kake kosavuta).

Zosavuta kwa ogwiritsa ntchito:Yomangidwa mkati imapambana pang'ono (palibe chifukwa chochotsera ndikusintha maselo; ingolumikizani chingwe cha USB kuti mulipire).

Kugwira ntchito kwa ogwiritsa ntchito:18650 yapambana kwambiri (wogwiritsa ntchito akhoza kusintha selo yosweka popanda kugula nyali yatsopano; paketi yomangidwa mkati singathe kusinthidwa ndi wogwiritsa ntchito ndipo imafuna ntchito ya fakitale).

Kubwezeretsanso:18650 yapambana kwambiri (selo likhoza kuchotsedwa ndikubwezeretsedwanso kudzera munjira zobwezerezedwanso zamagetsi wamba; paketi yomangidwa mkati imafuna kusamalidwa kwapadera).

Matrix ya zisankho imakonda kapangidwe ka 18650 kwa ogulitsa zinthu ochokera kunja omwe amasunga zinthu m'nyumba yosungiramo katundu kwa miyezi itatu kapena kuposerapo ndipo amasamala za ndalama zomwe amafunikira chitsimikizo. Kapangidwe kameneka kamakhala kovomerezeka kwa ogulitsa kunja omwe amasamutsa zinthu m'masiku osakwana 90 ndipo amaika patsogolo kusavuta kwa ogwiritsa ntchito kulipira.

Malangizo othandiza kwa ogulitsa ochokera kunja omwe akusintha kuchoka pa 18650 kupita ku 18650:Posintha mzere wa zinthu zomwe zilipo kale kuti zigwiritsidwe ntchito mu 18650, wotumiza katundu ayenera kukonzekera nthawi yosinthira ya miyezi 6 pomwe zinthu zonse ziwiri zimapezedwa nthawi imodzi. Chinthu cha 18650 nthawi zambiri chimafuna maphunziro kwa ogwiritsa ntchito (wogwiritsa ntchito ayenera kudziwa kuti akhoza kuchotsa ndikusintha selo), ndipo wotumiza katundu ayenera kupereka pepala la malangizo m'mabokosi ogulitsa omwe amafotokoza njira yosinthira selo.Utumiki wa ODM/OEMakhoza kusintha pepala lophunzitsira ndi cholembera chopakira kuti chigwirizane ndi zofunikira za msika wogulitsa, kuphatikizapo kumasulira m'chinenero chakomweko.

5. Momwe Mungasamalire Zinthu za 18650 Kuti Muchepetse Zopempha za Chitsimikizo

Kwa ogulitsa katundu ochokera kunja omwe amasankha kapangidwe ka 18650, njira zinayi zotsatirazi zoyendetsera zinthu zimachepetsa chiwongola dzanja cha chitsimikizo kufika pafupifupi zero mkati mwa nthawi yosungiramo katundu ya miyezi 12.

Chitani 1 — Landirani maselo pa 50% SOC.Malo osungira katundu a Mengting ndi 50% SOC, yomwe ndi malo osungira omwe amalimbikitsidwa ndi makampani. Wotumiza katundu ayenera kutsimikizira SOC akamalandira mayeso pogwiritsa ntchito njira yosavuta yowunikira magetsi (selo la 50% SOC 18650 limawerenga pafupifupi 3.7V open-circuit). Maselo omwe amafika pa SOC yokwera ayenera kutulutsidwa pang'ono asanasungidwe; maselo omwe amafika pa SOC yotsika ayenera kuyikidwanso chaji asanasungidwe.

Chitani 2 — Sungani maselo pa kutentha kwa madigiri 15-25 Celsius.Nyumba yosungiramo zinthu yoyendetsedwa ndi nyengo yokhala ndi kutentha kwa madigiri 15-25 Celsius ndi yabwino kwambiri posungira ma cell a 18650. Nyumba zosungiramo zinthu m'malo otentha ziyenera kuganizira zosungiramo zoziziritsa mpweya; mtengo wa zoziziritsa mpweya nthawi zambiri umakhala wotsika kwambiri kuposa ndalama zomwe zimasungidwa ndi chitsimikizo chifukwa cha kuchepa kwa mphamvu.

Chitani 3 — Onjezerani zinthu m'maselo miyezi 6 iliyonse ngati malo osungira apitirira miyezi 6.Selo ya 18650 yosungidwa pa 50% SOC ndi 25 digiri Celsius idzataya mphamvu ya 3-5% pamwezi chifukwa chodzitulutsa yokha. Pambuyo pa miyezi 6, selo ikhoza kukhala pa 30-35% SOC, yomwe ikuyandikira malire otulutsira kwambiri. Kuwonjezera ndalama mpaka 50% SOC miyezi 6 iliyonse kumasunga maselo pamalo otetezeka osungira.

Chitani 4 — Gwiritsani ntchito selo yotetezedwa ndi batri (BMS).Nyali ya Mengting 18650 imagwiritsa ntchito maselo a mtundu wa Samsung, LG, kapena Panasonic okhala ndi chitetezo cha BMS chomangidwa mkati. BMS imaletsa kutulutsa zinthu mopitirira muyeso panthawi yosungira, zomwe ndi njira yotetezera ngati njira zoyendetsera zinthu zomwe zili pamwambapa sizitsatiridwa bwino. Miyezo yachitetezo yomwe imagwira ntchito pa BMS ndi selo ndi iyi:IEC 62133-2 (maselo achiwiri a lithiamu a ntchito zonyamulika)ndiUL 1642 (muyezo wa chitetezo cha maselo a lithiamu), zonse ziwirizi zikutchulidwa mu CE ndi ROHS certifications zomwe zimagwira ntchito pa mzere wazinthu za Mengting headlamp.

6. Kulephera kwa Malo Omwe Ali Padziko Lonse: Kodi Chimachitika N'chiyani Ngati Njira Zosungira Zinthu Zochokera Kunja Zasiyidwa?

Milandu itatu yolephera m'munda kuchokera ku zolemba zothandizira makasitomala za Ningbo Mengting ikuwonetsa mtengo wodumpha njira zinayi zoyendetsera zinthu zomwe zafotokozedwa mu Gawo 5. Pazochitika zonse ziwiri, kulephera kumeneku kunachokera ku kusiyana kwa kayendetsedwe ka zinthu komwe kukanatha kupewedwa ndi njira yomwe idalimbikitsidwa.

Nkhani 1 — Wogulitsa panja, Spain (2022 Q4):Wogulitsa katundu wakunja ku Spain adalamula mayunitsi 5,000 a nyali ya Mengting 18650 kuti agawire kwa ogulitsa m'misasa ndi oyenda m'mapiri ku Spain konse. Wogulitsayo adasunga mayunitsiwo m'nyumba yosungiramo zinthu yosayang'aniridwa ndi nyengo kum'mwera kwa Spain (kutentha kwa mlengalenga kwa madigiri 30-38 Celsius m'miyezi yachilimwe). Pambuyo pa miyezi 8, wogulitsayo adalandira chitsimikizo kuchokera kwa ogulitsa chomwe chikuwonetsa kuti pafupifupi 12% ya mayunitsiwo sakanayatsa magetsi. Kafukufuku wasonyeza kuti mayunitsiwo adasungidwa kutentha kwa nyumba yosungiramo zinthu (komwe kudapitilira denga lovomerezeka la madigiri 25 C) komanso ku fakitale yotumiza ya SOC ya 50%, koma kutentha kwakukulu kudapangitsa kuti kalendala ikule kwambiri mpaka kufika poti mayunitsiwo adatsika pansi pa mphamvu yogwiritsira ntchito nyali ya headlight. Mtengo wa chitsimikizo cha wogulitsayo unali pafupifupi $9,000 USD, zomwe zidapitilira ndalama zomwe zimagwiritsidwa ntchito pogwiritsa ntchito nyumba yosungiramo zinthu yosayang'aniridwa ndi nyengo. Kuyambira pamenepo wogulitsayo wayika ndalama mu air conditioning pamalo osungira nyali ya headlight.

Mlandu 2 — Wogulitsa zida zotetezera mafakitale, Brazil (2023 Q2):Kampani yogulitsa zida zachitetezo ku mafakitale ku Brazil idalamula mayunitsi 8,000 a nyali yomangidwa mkati (osati mzere wazinthu za Mengting 18650) kuti igawidwe kumakampani opanga migodi ndi mafuta ndi gasi. Kampaniyo idasunga mayunitsiwo m'nyumba yosungiramo zinthu ku São Paulo kwa miyezi 6. Panthawiyi, mayunitsi omangidwa mkati adalumikizidwa ku zamagetsi a nyali yomangidwa mkati, zomwe zidakoka mphamvu yaying'ono yamagetsi kuti isunge chizindikiro cha LED cha batani lamphamvu. Patatha miyezi 6, ngalande yopangidwa ndi tizilombo toyambitsa matenda idachepetsa mayunitsiwo kuchokera ku SOC yotumizira fakitale kufika pa 80% kufika pafupifupi 30%, ndipo 9% ya mayunitsi sanayatse. Mtengo wa chitsimikizo cha wogulitsayo unali pafupifupi $10,800 USD (9% ya mtengo wa $15 pa unit iliyonse). Wogulitsayo wasintha kupita ku kapangidwe ka 18650 kuti athetse vuto la ngalande yopangidwa ndi tizilombo toyambitsa matenda.

Nkhani 3 — Mgwirizano wa boma wogula zinthu, Indonesia (2024 Q1):Pangano la boma la Indonesia logula nyali zokonzekera zadzidzidzi (mayunitsi 8,000 a kapangidwe ka paketi yomangidwa mkati) linaperekedwa kwa wogulitsa wamba yemwe adapeza mayunitsiwo kuchokera ku fakitale yaku China. Wogulitsayo anasunga mayunitsiwo m'nyumba yosungiramo katundu ya boma kwa miyezi 11 pamene mapepala ogulira anali kukonzedwa. Pofika ku mabungwe ogwiritsa ntchito (chitetezo cha anthu wamba, magulu othandizira zadzidzidzi am'deralo), 14% ya mayunitsiwo sanayatse kapena anali ndi nthawi yochepa kwambiri yogwirira ntchito. Boma linakana kulandira mayunitsi osagwira ntchito, ndipo wogulitsayo anayenera kupeza mayunitsi osinthira pamtengo wokwera. Chitsimikizo chonse ndi mtengo wosinthira zinali pafupifupi $16,800 USD. Boma la Indonesia kuyambira pamenepo lafotokoza m'mapangano ogulira omwe adatsatira kuti nyali zoyendetsera ziyenera kugwiritsa ntchito ma cell 18650 osunthika okhala ndi chitsimikizo cha moyo wa miyezi 24.

Zitsanzo zitatu zomwe zili pamwambapa zikusonyeza njira yokhazikika: mtengo wolephera kutsatira njira zinayi zoyendetsera zinthu ndi wocheperapo kuposa ndalama zomwe zimasungidwa chifukwa chochepetsa ndalama zomwe zimasungidwa. Wotumiza kunja amene amasunga nyali zamutu za 18650 m'nyumba yosungiramo zinthu yoyendetsedwa ndi nyengo pa 50% SOC kwa miyezi 12 adzalandira chiwongola dzanja cha chitsimikizo cha pafupifupi 1-2%. Wotumiza kunja amene amasunga nyali zamutu zomwezo m'nyumba yosungiramo zinthu yosayendetsedwa ndi nyengo pa kutentha kwambiri adzalandira chiwongola dzanja cha chitsimikizo cha 10-15%. Kusiyana kwa 10x kwa mtengo wa chitsimikizo ndi kusiyana pakati pa mzere wopindulitsa wazinthu ndi wosapindulitsa. Kwa otumiza kunja omwe amatumiza nyali zamutu za 18650 kumsika wa EU,Zofunikira pa chizindikiro cha CE cha EU pazinthu zoyendetsedwa ndi wailesi (CE-RED)ndiMuyezo wa chitetezo cha mayendedwe a maselo a lithiamu a UN 38.3Gwiritsani ntchito kuwonjezera pa njira zosungira zomwe zili pamwambapa — UN 38.3 imafuna kuti maselo adutse kuyerekezera kutalika, kuzungulira kutentha, kugwedezeka, kugwedezeka, kugwedezeka kwakunja, kukhudzidwa, kukweza kwambiri, ndi mayeso okakamiza kutulutsa asanatumizidwe ndi ndege.

7. Kusinthana kwa Uinjiniya: Pamene Kumanga-mkati Ndiko Kusankha Koyenera

Kapangidwe ka paketi yomangidwa mkati sikoipa kwambiri kuposa kapangidwe ka 18650. Pazochitika zinazake zogwiritsira ntchito, paketi yomangidwa mkati ndiye chisankho chabwino kwambiri. Matrix yogulitsana yomwe ili pansipa ikufotokoza nthawi yomwe kapangidwe kake kapambana.

Chitsanzo 1 — Nthawi yochepa yosungiramo zinthu (masiku osakwana 90):Ngati wogulitsa katundu atumiza katundu m'nyumba yosungiramo katundu m'masiku osakwana 90, nthawi yokalamba ya kalendala imakhala yochepa pa zomangamanga zonse ziwiri, ndipo ubwino wa phukusi lomangidwa mkati mwake umakhala chinthu chofunikira kwambiri.

Chitsanzo 2 — Nyengo yoipa kwambiri (pansi pa ziro kapena kupitirira madigiri 40 Celsius):Selo ya 18650 ili ndi kutentha kochepa kogwira ntchito kuposa paketi ya lithiamu-polymer yapamwamba kwambiri. Kwa ogulitsa ochokera kunja omwe amagawa kwa ogwiritsa ntchito kumapeto kwa nyengo yotentha kwambiri (monga maulendo aku arctic, malo ogwirira ntchito m'chipululu), paketi yomangidwa mkati yokhala ndi kutentha kwake kwakukulu ikhoza kukhala yolimba kwambiri.

Chitsanzo 3 — Zofunikira pa mawonekedwe ang'onoang'ono:Phukusi lomangidwa mkati limalola kuti chogwirira cha nyali yamutu chikhale chocheperako pang'ono kuposa chogwirira cha 18650, chifukwa phukusili likhoza kupangidwa kuti ligwirizane ndi malo omwe alipo m'malo mokakamizidwa ndi mawonekedwe a selo la 18650. Pa ntchito zomwe gramu iliyonse ya kulemera kwake ndi yofunika (monga, nyali zopepuka kwambiri zonyamula m'mbuyo zosakwana magalamu 50 kulemera konse), phukusi lomangidwa mkati lingakhale njira yokhayo.

Chisankho pakati pa 18650 ndi yomangidwa mkati ndi chapadera pa ntchito. Kwa ogulitsa wamba ogulitsa omwe amasunga zinthu kwa miyezi 3-12 ndikugawa kwa okonda zinthu zakunja, makontrakitala, ndi misika yokonzekera zadzidzidzi, kapangidwe ka 18650 ndiye chisankho chabwino kwambiri. Pa ntchito zapadera zomwe zili ndi nthawi yochepa yosungiramo zinthu kapena zofunikira kwambiri pa chilengedwe, paketi yomangidwa mkati ikhoza kukhala chisankho chabwino kwambiri.

8. Mafunso Ofunsidwa Kawirikawiri

Q: Ndi batire yamtundu uti yomwe imalephera kwambiri posungiramo zinthu — 18650 kapena ma lithiamu pack omangidwa mkati?

Yankho: Mabatire a lithiamu omangidwa mkati mwake amalephera kwambiri nthawi zambiri kuposa mapaketi 18650 ochotsedwa pambuyo pa miyezi 12 yosungiramo zinthu. Njira yodziwika bwino yolephera ndi kutaya mphamvu kuchokera ku maselo omwe akusungidwa pang'ono (nthawi zambiri 30-60% SOC yotumizidwa kuchokera ku fakitale). Mapaketi 18650 ochotsedwa amalola wotumiza kunja kuchotsa maselowo pa nyali yamutu akamalandira kuyang'aniridwa ndikusunga pa 50% SOC pamalo olamulidwa ndi nyengo, zomwe zimachepetsa kwambiri kulephera.

Q: Kodi ndalama zabwino kwambiri zosungira maselo 18650 m'nyumba yosungiramo zinthu ndi ziti?

A: Kusungirako bwino kwambiri kwa maselo a lithiamu-ion a 18650 ndi 40-60%. Kusunga maselo pa 100% SOC kumathandizira kukalamba kwa kalendala; kusunga maselo pansi pa 20% SOC kungayambitse kutayikira kwa madzi mopitirira muyeso komanso kusungunuka kwa mkuwa. Kapangidwe ka kutumiza kwa Mengting kamatsimikizira maselo a 18650 kukhala pafupifupi 50% SOC asanapake, komwe ndi malo osungira omwe amalimbikitsidwa ndi makampani.

Q: Kodi nyali yakutsogolo yomwe ingadzazidwenso ingasungidwe nthawi yayitali bwanji batire isanayambe kufunikira kuwonjezeredwa?

A: Nyali ya mutu ya 18650 yosungidwa pa 50% SOC ndi 25 degrees C nthawi zambiri imasunga mphamvu ya 80% patatha miyezi 12. Nyali ya mutu ya lithiamu yomwe imamangidwa mkati mwake yomwe imasungidwa momwemo nthawi zambiri imasunga mphamvu ya 60-70% patatha miyezi 12. Ubwino wa 18650 ndi selo lochotseka - wotumiza amatha kuwonjezera maselo enaake popanda kugwiritsa ntchito magetsi amagetsi a nyali ya mutu, zomwe zimapangitsa kuti pakhale ngalande zomwe zimawononga kwambiri paketi yomangidwa mkati.

Q: Kodi nyali yakutsogolo yokhala ndi batire ya 18650 yochotsedwa ndi yokwera mtengo kuposa yomwe ili ndi batire yomangidwa mkati?

Yankho: Nyali yamutu yokhala ndi batire yochotseka ya 18650 nthawi zambiri imadula 5-10% kuposa nyali yofanana ndi nyali yokhala ndi batire yomangidwa mkati, chifukwa cha malo owonjezera a batire, chivundikiro chochotseka, ndi ma contact a foni. Mtengo wake umabwezedwa mu chitsimikizo chotsika pambuyo pogulitsa komanso mitengo yotsika ya dead-on-arrival kwa wotumiza kunja.

9. Malangizo a Mkati: Momwe Mungayambitsire Nyali ya Mutu ya Mengting 18650

Maulalo amkati:Nyali ya LED yoyatsidwanso ya 1200mAh 18650 yokhala ndi maginito · Zokhudza Ningbo Mengting Outdoor Implement Co., Ltd. · Kugawa kwa zinthu za nyali zamutu · Momwe mungasankhire nyali yoyenera yakunja · Kukonza ntchito ya ODM/OEM custom headlamp service · Blog yowunikira panja ya Mengting · Nkhani zamakampani a Mengting