Lithium-ion battery ni hpe hkrang shapraw nna galaw shapraw ai lam

Lithium-ion battery ni a hkrang shapraw ai npawt nhpang

Madung Design Tara Ni

Battery hpe galaw ai shaloi, wan jak a ra kadawn ai lam ni hpe madung tawn nna, wan jak a arawn alai ni hpe madung tawn nna galaw ra ai.wan dekshi hkum shi. Langai, electrode, electrolyte, separator, casing ni lawm ai, n-gun dat langai hte langai a hpaji masa ni hpe asan sha tsun dan ra ai. Dai hta n-ga, hpang jahtum na battery pack gaw tau hkrau masat da ai masat da ai lam ni hte bungli galaw lu ai atsam (voltage, capacity, volume zawn re ai) ni hpe hkan sa lu hkra, galaw shapraw ai lam a parameters ni hpe atsawm sha gram lajang ra ai. Battery hpe teng sha jai lang ai shaloi grau kaja hkra galaw na matu, hkam la mai ai hte hkrak ai hkrang shapraw ai lam gaw ahkyak nga ai; dai majaw, hkrang shapraw ai lam ting hta kaja dik ai hparan ladat hpe hkan tam ai gaw grau ahkyak nga ai.

Design galaw ra ai lam ni

Battery design hta, battery a bungli galaw ai parameters hte shi a bungli galaw ai makau grup yin a matu, target device a ra kadawn ai lam ni hpe atsawm chye na na matu ahkyak nga ai. Madung hku nna lawu na madung lam ni hpe myit yu ra ai.

Lithium-ion battery ni gaw grai kaja ai majaw grai lang ma ai. Raitim, application nkau mi hta, shanhte gaw, n-gun hte n-gun n-gun ni hpe hkam sharang lu ai, grai sawng ai nbung laru ni hpe hkap la lu ai, n-gun n law ai-hkum hkrang hta bungli galaw lu ai zawn re ai, jat bang ra ai lam ni hpe hkan sa ra ai. Ndai battery ni hpe hkrang shapraw ai shaloi, ndai npawt nhpang hkum hkrang arawn alai ni hpe myit yu ai hta n-ga, raw materials ni hpe lata ai lam, battery a arawn alai ni hpe dawdan ya ai madung lam ni, yawng hkra galaw lu ai atsam, galaw shapraw ai lam ni, manu jahpu-akyu ara hpe sawk sagawn ai lam, bungli galaw ai nbung katsi ai lam ni zawn re ai lam ni hpe mung tsep kawp myit yu ra ai.

Power battery ni a bungli galaw ai lam hpe jep joi na matu ahkyak ai masat kumla ni

1) Atsam

Battery capacity ngu ai gaw, battery langai mi gaw, laksan discharge masa hta jaw ya lu ai wan n-gun yawng hpe tsun mayu ai. Ndai myit masa hpe, ya aten hte aten a mahtai hku nna tsun shapraw chye ai rai nna, madung hku nna ampere-hours (Ah) hku nna shadawn ai. Ndai parameter gaw battery a n-gun kaba dik htum hte matut manoi bungli galaw ai aten hpe hkrak sha hkra machyi shangun ai.

2) Discharge a arawn alai hte kata na ninghkap ai lam

Battery a n-gun dat dat ai atsam gaw, shi a pru wa ai n-gun dat, n-gun dat n-gun dat n-gun dat n-gun dat n-gun dat n-gun dat n-gun dat n-gun dat ai lam hpe masat da ai masa ni hta n-gun dat dat ai lam hpe madun dan ai. Ndai ni gaw battery a n-gun hpe shadawn na matu ahkyak ai masat kumla ni rai nga ai. Dai hta n-ga, battery kata hta ohmic kata na n-gun hte polarization kata na n-gun ngu ai n-gun lahkawng nga ai. Ndai zawn re ai kata na ninghkap ai lam lahkawng gaw, high-current discharge aten hta, discharge yawng a bungli galaw ai lam hpe grau nna ahkyak ai hku hkra machyi shangun ai.

3) Bungli galaw ai nbung katsi ai shara

Hkringmang daju a shingra tara masa amyu myu hta wan jak ni hpe ngang grin hkra galaw lu na matu, battery ni gaw masat da ai nbung katsi ai shara kata hta kaja ai hku bungli galaw ra ai.

4) Hkrang shapraw ai lam
Kade nna yang, battery a bungli galaw ai lam gaw, lam amyu myu a majaw galai shai wa nna, self-discharge byin wa ai, electrolyte hka pru wa ai, short circuit byin wa ai majaw, shi a bungli galaw ai lam hpe hkra machyi shangun chye ai.

5) Cycle galaw ai lam
Cycle performance ngu ai gaw, lahkawng ngu na battery langai a charge-discharge tara ni a npu e, shi a bungli galaw ai lam gaw tau hkrau masat da ai madang de hkrat sum mat ai aten du hkra, charge-discharge cycle kade daram hpe hkam sharang lu ai hpe tsun mayu ai. Battery langai a aten galu-kam hpa mai ai lam hpe jep joi na matu ahkyak ai masat kumla langai mi rai nga ai.

6) Hkamja lam hte seng ai arawn alai ni
Battery a shimlum lam hpe madung hku nna n kaja ai hku jai lang ai masa hta shi a shimlam madang hta mu lu ai. Ndai n kaja ai lang ai masa ni hta, grai charge galaw ai, short circuit galaw ai, nail shang ai hpe chyam yu ai, crush test galaw ai, hot box hpe hkam sha ai, n-gun ja ai arai ni hte hkra ai, vibration ni lawm ai. Ndai zawn re ai grai sawng ai masa ni hpe hkam sharang lu ai atsam gaw, kaba ai-scale application ni a matu htuk manu ai hpe dawdan ai hta ahkyak ai lam langai rai nga ai.

Positive hte negative electrode arung arai ni hpe hkyen lajang nna, laklai ai lam ni hpe galaw na matu arung arai ni

hkyen lajang ai

hkyen lajang ai

Kaja ai hte n kaja ai electrode arung arai ni gaw lithium-ion battery ni a madung daw ni rai nna, LFePO4 (sh) LiCoO2 zawn re ai kaja ai electrode ni, graphite (sh) silicon/carbon zawn re ai n kaja ai electrode ni rai nga ai. Arung arai amyu myu a matu hkyen lajang ai ladat amyu myu ra ai. Ndai daw hta, hkyen lajang ai lam hta ra ai arung arai ni hpe shachyen ya na matu, ternary positive electrode arung arai ni hpe ga shadawn hku lang ai.

Laksan masat masa

Lithium-ion battery ni a madung arung arai ni, positive hte negative electrode arung arai ni zawn re ai ni yawng gaw, lithium-ion battery ni a wan n-gun hpe grai hkra machyi shangun ai wan n-gun bungli galaw ai arung arai ni rai nga ai. Arung arai ni hpe galaw shapraw ai hte gyin shalat ai shaloi, battery galaw shapraw ai hte jai lang ai shaloi myit yu ra ai hpaji masa ni gaw grai law ai raitim, madung hku nna garan ginhka ai lam masum hta lawm ai: langai ngu na garan ginhka ai lam gaw, dai arung arai a crystal structure hte microstructure; lahkawng ngu na daw gaw, dai arai a physicochemical masat kumla ni rai nna, dai hta particle size garan ginhka ai lam, laksan npu lamu ga, tap density, hte elemental composition (n san seng ai lam ni lawm ai); hte masum ngu na daw gaw, dai arai a electrochemical galaw lu ai atsam, shawng nnan na n-gun atsam, electrochemical impedance zawn re ai ni rai nga ai. Lithium-ion battery madung arung arai ni a masat kumla amyu myu hpe mu tam nna, arawn alai ni hpe masat masa galaw ai lam gaw, arung arai sawk sagawn ai lam hte gyin shalat ai lam, galaw shapraw ai lam hpe hkang zing ai lam, n-gun atsam hpe hkam la ai lam ni a matu ahkyak kaba rai nga ai.

Lithium-ion battery galaw shapraw ai arung arai ni

Gumhpraw cell langai hpe button cell (sh) half-cell ngu nna mung shamying ma ai, n-gun atsam hpe n-gun jaw ai hku nna lithium metal hpe lang nna, kaja ai n-gun atsam hpe lang ai; shing nrai, lithium metal hpe kaja ai electrode hku nna, n kaja ai electrode arung arai hpe n kaja ai electrode hku nna lang ai. Shi a n-gun kaji ai, electrode galaw ai hta arung arai n law ai, n-gun kaba ai majaw lithium-ion battery ni a matu active arung arai ni hpe galaw shapraw nna chyam dinglik na matu ahkyak ai arung arai langai mi rai nga ai.

Electrode galaw ai ladaw hta ra ai arung arai ni hte reagents ni gaw, kaja ai hte n kaja ai electrode arung arai ni, n-gun dat dat ai arung arai ni, n-gun dat ni hpe shinggrup da ai arung arai ni, n-gun dat ni hpe shinggyin la lu ai arung arai ni lawm ai. Langai, kaja ai hte n kaja ai electrode active arung arai ni, n-gun rawng ai arung arai ni, n-gun rawng ai arung arai ni hpe lata hte htu ai (sh) jak hte htu ai hku nna, masat da ai ratio hta maren mara kayau kaya galaw ai. Dai hpang, byin pru wa ai n-gun hpe, dai hte maren, current collector ntsa de chya da ai. Laboratory coating hta, coating ladat hpe n-gun n-gun hpe madung tawn nna dawdan ai. Slur kaba ni a matu, coating jak kaji hpe lang ai (Sumla (a)); kaji ai slurries ni a matu, lata hte shinggrup na matu film-forming jak hpe lang ai (Sumla (b)). Dai hpang, dai electrode hpe hkyet ai oven hta hkyet kau nna, roller hte dip nna, n-gun jat hkra galaw ai. Slicing ngu ai gaw, electrode hpe hkrak hkrak, grup yin hku garan kachyan ai lam re. Madung hku nna, roller-pressed electrode hpe n-gun shadawn laika lapran e shinggrup da nna, n-gun shadawn ai jak ntsa kaw tawn da nna, electrode kaji ni hpe lawan ladan htu shapraw kau ai. Electrode kaji ni a diameter hpe punching die size hku nna gram lajang mai ai.