Betri ea lithium (Li-ion, Lithium Ion Battery): Libetri tsa lithium-ion li na le melemo ea boima bo bobebe, matla a phahameng, 'me ha ho na phello ea mohopolo,' me kahoo li sebelisoa hangata - lisebelisoa tse ngata tsa digital li sebelisa libeteri tsa lithium-ion e le mohloli oa matla, le hoja li batla li le theko e boima. Matla a matla a betri ea lithium-ion a phahame haholo, 'me matla a eona ke makhetlo a 1.5 ho isa ho a 2 ho fetaLibetri tsa NiMHea boima bo tšoanang, 'me e na le sekhahla se tlase haholo sa ho ipholla. Ho phaella moo, libeteri tsa lithium-ion ha li na "phello ea memori" 'me ha li na lintho tse chefo le melemo e meng hape ke lebaka la bohlokoa bakeng sa tšebeliso ea eona e pharaletseng. Ka kopo hlokomela hape hore libeteri tsa lithium hangata li tšoauoa ka 4.2V lithiumion battery kapa 4.2V lithium secondary battery kapa 4.2V lithiumion rechargeable battery ka ntle.

18650 lithium betri
18650 ke mothehi oa betri ea lithium-ion - ke mohlala o tloaelehileng oa betri ea lithium-ion o behiloeng ke k'hamphani ea SONY ea Japane e le ho boloka litšenyehelo, 18 e bolela bophara ba 18mm, 65 e bolela bolelele ba 65mm, 0 e bolela betri ea cylindrical. 18650 e bolela, bophara ba 18mm, bolelele ba 65mm. 'Me nomoro ea mohlala ea betri ea No. 5 ke 14500, 14 mm bophara le 50 mm ka bolelele. Kakaretso ea betri ea 18650 e sebelisoa haholo indastering, ts'ebeliso ea sechaba e nyane haholo, e sebelisoang hangata libeteri tsa lilaptop le mabone a holimo.

Libetri tse tloaelehileng tsa 18650 li arotsoe ka libeteri tsa lithium-ion, libeteri tsa lithium iron phosphate. Matla a betri a lithium-ion bakeng sa matla a ikhethileng a 3.7v, ho tjhaja motlakase o khaotsoeng oa 4.2v, lithium iron phosphate battery nomineal voltage ea 3.2V, ho tjhaja motlakase o khaotsoeng oa 3.6v, hangata matla ke 1200mAh-3350mAh, matla a tloaelehileng. ke 2200mAh-2600mAh. Theory ea bophelo ba betri ea 18650 ea lithium bakeng sa tefo ea potoloho makhetlo a 1000.

18650 Li-ion betri e sebelisoa haholo libeteri tsa li-laptop ka lebaka la matla a eona a holimo ka boholo ba yuniti. Ho phaella moo, betri ea 18650 Li-ion e sebelisoa haholo libakeng tsa elektronike ka lebaka la botsitso ba eona bo babatsehang mosebetsing: e atisa ho sebelisoa ka toche ea boemo bo phahameng, phepelo ea motlakase e nkehang, mochine oa data o se nang mohala, liaparo tse futhumetseng tsa motlakase le lieta, lisebelisoa tse nkehang, lisebelisoa tsa mabone tse nkehang habonolo. , mochine oa khatiso o nkehang, lisebelisoa tsa indasteri, lisebelisoa tsa bongaka, joalo-joalo lisebelisoa tsa bongaka, joalo-joalo.

Betri ea Li-ion e tšoailoeng 3.7V kapa 4.2V lia tšoana. 3.7V e bua ka motlakase oa sethaleng (ke hore, motlakase o tloaelehileng) nakong ea tšebeliso ea ho tsoa ha betri, ha 4.2 volts e bua ka motlakase ha o tjhaja tefiso e feletseng. E tloaelehileng rechargeable 18650 lithium battery, voltage e tšoailoe 3.6 kapa 3.7v, 4.2v ha e tjhaja ka botlalo, e sa amane le matla (bokhoni), 18650 battery mainstream capacity ho tloha 1800mAh ho 2600mAh, (18650 power battery capacity is most in 2200 ~ 2600mAh), matla a mantlha a bile a tšoailoe 3500 kapa 4000mAh kapa ho feta a fumaneha.

Ka kakaretso ho lumeloa hore motlakase o se nang mojaro oa betri ea Li-ion o tla ba ka tlase ho 3.0V mme motlakase o tla sebelisoa ho fihlela (boleng bo ikhethileng bo hloka ho ipapisa le boleng ba boto ea ts'ireletso ea betri, mohlala, ho na le tlase joalo ka 2.8V, ho boetse ho na le 3.2V). Boholo ba libeteri tsa lithium li ke ke tsa ntšetsoa ho matla a se nang moroalo a 3.2V kapa ka tlase, ho seng joalo ho tsoa ho feteletseng ho tla senya betri (libatri tsa lithium tse akaretsang li sebelisoa ka poleiti ea ts'ireletso, ka hona ho tsoa ho feteletseng ho tla lebisa poleiting ea ts'ireletso. ha e khone ho lemoha betri, kahoo ha e khone ho tjhaja betri). 4.2V ke moeli o ka holimo oa matla a ho tjhaja betri, ka kakaretso e nkoang e le matla a se nang moroalo oa libeteri tsa lithium tse qosoang ho 4.2V ka motlakase O tletse, mokhoa oa ho tjhaja betri, matla a betri ho 3.7V butle-butle a nyolohela ho 4.2V, lithium ho tjhaja betri ho ke ke ha lefisoa ho feta 4.2V no-load voltage, ho seng joalo e tla senya le betri, e leng sebaka se khethehileng sa libeteri tsa lithium.

Melemo

1. Large bokgoni 18650 lithium betri bokgoni ka kakaretso pakeng tsa 1200mah ~ 3600mah, ha a ntse a ka kakaretso matla a betri ke feela ka 800mah, haeba ho kopantswe ka 18650 lithium betri pakete, hore 18650 lithium betri pakete ke ho itlosa bolutu ka senya ka 5000mah.

2. Nako e telele ea bophelo ba 18650 lithium betri e telele haholo, ts'ebeliso e tloaelehileng ea bophelo ba potoloho ho fihlela makhetlo a 500, e feta habeli betri e tloaelehileng.

3. Ts'ebetso e phahameng ea ts'ireletso 18650 lithium betri ts'ebetso ea ts'ireletso, e le ho thibela ketsahalo e khutšoanyane ea betri, 18650 lithium battery positive le lipalo tse mpe li arohane. Kahoo monyetla oa ho potoloha nako e khutšoanyane o fokotsehile haholo. O ka kenya letlapa la tshireletso ho qoba ho tjhaja le ho ntsha betri ho feta tekano, mme seo se ka lelefatsa bophelo ba betri.

4. High voltage 18650 lithium battery voltage ka kakaretso ke 3.6V, 3.8V le 4.2V, e phahameng haholo ho feta 1.2V voltage ea libeteri tsa NiCd le NiMH.

5. Ha ho na phello ea memori Ha ho hlokahale ho tšolla matla a setseng pele o tjhaja, ho bonolo ho a sebelisa.

6. Khanyetso e nyane ea kahare: Ho hanyetsa ka hare ho lisele tsa polymer ho nyane ho feta lisele tse akaretsang tsa mokelikeli, 'me khanyetso ea kahare ea lisele tsa lapeng e ka ba tlase ho 35mΩ, e fokotsang haholo tšebeliso ea betri le ho eketsa nako ea ho ema. liselefouno, 'me e ka finyella ka ho feletseng boemo ba litekanyetso tsa machaba. Mofuta ona oa betri ea lithium ea polymer e ts'ehetsang ts'ebetso e kholo ea hona joale e loketse mefuta ea taolo e hole, e fetoha mokhoa o ts'episang ka ho fetesisa oa libeteri tsa NiMH.