Nnianim asɛm a ɛfa lithium-ion batere ho .
Adwumayɛ nnyinasosɛm a ɛfa lithium-ion batere ho .
Lithium-ion batere titiriw ne electrode a ɛyɛ papa, electrode a enye, electrolyte a ɛyɛ lithium ions, ne a .Nneɛma a wɔde yiyi nneɛma mu .ne casing a ɛtetew electrode ahorow a ɛyɛ papa ne nea enye no mu. Mpɛn pii no, electrode ade a ɛyɛ papa no yɛ ade a ɛma wotumi de lithium ions a wotumi dannan no na woyi fi mu, te sɛ lithium cobalt oxide (LIOO22), lithium nickel oxide (Linio1), lithium manganese oxide (limn2 1), anaa nneɛma a ɛyɛ terrnary . (licoₓniᵧmn₁₋ₓ₋ᵧo2). Electrolyte no yɛ lithium nkyene (lithium nkyene a wɔtaa de di dwuma no bi ne liclo4, lipf1, libf1, libob, ne nea ɛkeka ho) a wɔapete wɔ aduru pɔtee bi mu (titiriw ethylene carbonate (EC), diethyl carbonate a wɔde afra (Dec) (Dec), dimethyl carbonate (DMC) (Pyle) a wɔde di dwuma (DMC). Separator adeɛ no taa yɛ polyolefin resin, a ɛtaa de baako-layer anaa multi-layer polypropylene (PP) ne polyethylene (PE) microporous membranes, te sɛ Celgard 2300 separator di dwuma. Electrode a enye no taa de nneɛma a etumi yɛ lithium intercalation, te sɛ petroleum coke, graphite a ɛho tew, ne graphite a wɔde afrafra a ɛyɛ ntoatoaso di dwuma. Nneyɛe a ɛwɔ lithium-ion battery mu a wɔde carbon (C1le) di dwuma sɛ negative electrode ne transition metal oxide limeo2 sɛ positive electrode no te sɛ nea edidi so yi.
Bere a worebɔ ka no:
Bere a wɔreyi nsu no:
Bere a wɔrebɔ charging no, lithium ions fi electrode a ɛyɛ papa no mu na wɔde hyɛ electrode a enye no mu; Bere a wɔreyiyi no, lithium ions fi electrode a enye no mu na wɔde hyɛ electrode a ɛyɛ papa no mu. Ɔkwan foforo so no, bere a wɔreyi anyinam ahoɔden afiri no na wɔreyi afiri mu no, lithium ions kɔ anim ne akyi wɔ electrode ahorow a ɛyɛ papa ne nea enye no ntam, te sɛ nkongua a ɛwosow no ara pɛ. Enti, wɔfrɛ lithium-ion batere nso "Rocking Chair Battery." Wobetumi de mfonini 1.1 ayɛ wɔn adwumayɛ nnyinasosɛm no ho mfonini.
Wɔ charge ne discharge tebea a ɛfata mu no, lithium ions a wɔde hyɛ mu ne nea woyi fi mu wɔ carbon nneɛma a ɛwɔ ntoatoaso ne oxide nketenkete ntam anaasɛ ntam wɔ lithium-ion batere mu mpɛn pii no ɛde nsakrae ba ntam kwan no ntam kwan no nkutoo na ɛnsɛe ahwehwɛ nhyehyɛe no. Wɔ ahoɔden ne nsu a ɛrepue mu no, nnuru a ɛwɔ electrode nneɛma a ɛyɛ papa ne nea enye no mu no da so ara yɛ nea ɛnsakra titiriw. Enti, sɛ yɛhwɛ sɛnea charge-discharge reaction no san dannan no a, lithium ions a wɔde hyɛ mu na woyi fi battery nneɛma no mu no yɛ adeyɛ a eye sen biara. Sɛ wogyina saa su ahorow yi so a, lithium-ion batere no korɔn wɔ adwumayɛ mu sen nickel-cadmium ne nickel-dade hydride batere.
Lithium-ion battery nkyekyɛmu .
Wobetumi akyekyɛ lithium-ion batere mu sɛnea cathode nneɛma a wɔde di dwuma, sɛnea ɛte ne ne kɛse, ɔkwan a wɔfa so yɛ nkwammoaa, nea wɔde kyekyere nneɛma, ne sɛnea wɔde di dwuma no te.
Wobetumi akyekyɛ lithium-ion batere a wɔde di dwuma no mu ayɛ no lithium cobalt oxide batere, lithium manganese oxide batere, ternary lithium battery, ne lithium iron phosphate battery.
Lithium cobalt oxide batere no wɔ nominal voltage a ɛyɛ 3.7V ne adwumayɛ mu ahoɔden a ɛyɛ 2.4 ~ 4.2V. Lithium cobalt oxide battery wɔ nhyehyɛe a ɛyɛ den, tumi pɔtee a ɛkorɔn, ne adwumayɛ nyinaa a ɛda nsow, nanso wɔn ahobammɔ nyɛ papa na wɔn ka yɛ kɛse, titiriw na wɔde di dwuma wɔ nkwammoaa nketewa ne mfinimfini-sized cells mu. Wɔ nnansa yi mfeɛ mu no, wɔayɛ akyɛdeɛ a ɛkorɔn-voltage lithium cobalt oxide nneɛma, a ɛbɛtumi ama battery no soro anohyetoɔ ahoɔden akɔ soro akɔduru 4.3V anaa 4.35V, na ɛnam so ama batere no tumi ne ahoɔden a ɛwɔ mu no atu mpɔn yie. Mprempren, lithium cobalt oxide batere na ɛwɔ volumetric ahoɔden a ɛdɔɔso sen biara, na ɛdu 550Wh/kg, na ɛma ɛyɛ nea wobetumi apaw biako pɛ a wɔde bɛma ahoɔden a ɛkorɔn-awie telefon a wokura kyin ne ɛlɛtrɔnik nneɛma afoforo.
Lithium manganese oxide (mmano) batere no wɔ ahoɔden a ɛyɛ 3.8V ne adwumayɛ mu ahoɔden a ɛyɛ 2.5V kosi 4.2V. Overcharge ahobanbɔ voltage yɛ 4.28V ± 0.025V, na ɛboro-Discharge ahobanbɔ voltage yɛ 2.5V ± 0.1V. MMANO batere no sua-ɛka na ɛwɔ ahobammɔ pa. Nanso, lithium manganese oxide ade no ankasa ntumi nnyina koraa na ɛyɛ mmerɛw sɛ ɛbɛporɔw, na ɛma mframa ne ɔfe. Ne kyinhyia asetra sɛe ntɛmntɛm, ne nkwa nna yɛ tiaa koraa, na ne soro-temperature adwumayɛ nyɛ papa. Wɔde di dwuma titiriw wɔ fam-cost, medium-to{17}}kɛse-sized cells a wɔde yɛ anyinam ahoɔden batere.
Ternary lithium-ion (TLC) batere wɔ nominal voltage a ɛyɛ 3.6V ne adwumayɛ mu ahoɔden a ɛyɛ 2.75V kosi 4.2V. Overcharge ahobanbɔ voltage yɛ 4.28V ± 0.025V, na ɛboro-Discharge ahobanbɔ voltage yɛ 2.75V ± 0.1V. TLC batere wɔ adwumayɛ nyinaa yiye, ne bo yɛ mmerɛw sen lithium cobalt oxide (LCO), na ɛma ahobammɔ a ɛkɔ anim. Wobetumi de adi dwuma wɔ anyinam ahoɔden batere mu, na wɔn gua so kyɛfa wɔ cathode nneɛma gua so no renya nkɔanim afe biara. Lithium ketewa-ion batere a wɔde lithium a ɛwɔ ternary di dwuma-ion nneɛma no, gua no regye atom nkakrankakra. Wobetumi de lithium cobalt oxide ne lithium manganese oxide a wɔde di dwuma wɔ dade-cased, aluminum-cases, pouch, polymer, ne cylindrical lithium-ion battery ahorow mu, a ebetumi atew batere ho ka so kɛse na ama adwumayɛ nyinaa atu mpɔn no afra nneɛma a ɛwɔ Ternary no mu. Mprempren, ternary material battery betumi anya ahoɔden density a ɛyɛ 180 wh/kg (26650 steel-cases battery betumi adu 4600 mAh/kg a emu duru yɛ 90g), a ɛde mfaso a ɛda adi pefee ma wɔ ɛka-ahoba.
Lithium iron phosphate (LFP) batere no wɔ ahoɔden a ɛyɛ 3.2V ne adwumayɛ mu ahoɔden a ɛyɛ 2.5 ~ 3.75V. Ahobanbɔ ahoɔden a ɛboro so yɛ 3.75V±0.025V, na ɛboro-Abɔdeɛ a ɛbɔ ho ban no so yɛ 2.5V±0.1V. Mfasoɔ kɛseɛ a ɛwɔ LFP batere so ne sɛ ɛgyina pintinn na ɛnyɛ{10}}decomposition a ɛwɔ positive electrode material no mu, ɛma wɔn ahobanbɔ a ɛso bi nni sɛ wɔde toto electrode nneɛma a ɛyɛ papa foforɔ ho a. LFP batere ahorow no nkwa nna tenten, ɛdɔɔso wɔ nneɛma a wɔde di dwuma mu, na ɛnyɛ nea ɛsɛe nneɛma a atwa yɛn ho ahyia. Nanso, wɔwɔ platform a ɛba fam a ɛma nsu fi mu ba ne nea ɛba fam a ɛba fam-temperature adwumayɛ.
Sɛ wogyina sɛnea ɛte ne ne kɛse so a, wobetumi akyekyɛ lithium-ion batere mu ayɛ no batere a ɛyɛ kurukuruwa ne batere a ɛyɛ prismatic, ne nea ɛkeka ho.
Sɛ wogyina ɔkwan a wɔfa so yɛ nkwammoaa no so a, wobetumi akyekyɛ lithium-ion batere mu ayɛ no kuru batere (akuru a ɛwɔ cylindrical ne kuru a ɛyɛ tratraa), batere a wɔaboaboa ano, ne nea ɛkeka ho.
Wobetumi agyina nneɛma a wɔde kyekyere nneɛma so no su so, lithium-ion batere no betumi akyekyɛ mu ayɛ no dade-asɛnnennen a wɔde ahintaw, aluminium-aduru a wɔde asisi so, plastic-aduru a wɔde asisi so, a ɛyɛ mmerɛw-pack batere, ne nea ɛkeka ho.
Wogyina application su so, lithium-ion battery no betumi akyekyɛ mu ayɛ no battery a ɛkorɔn-temperature battery, low-temperature battery, power batteries, ne capacity battery, ne nea ɛkeka ho.
Wobetumi agyina wɔn application mmeae so, lithium-ion batere no betumi akyekyɛ mu sɛ: Battery, anyinam ahoɔden batere, ne batere a wɔde sie ahoɔden.
Lithium-ion batere a wɔde di dwuma .
Yebetumi aka sɛ efi bere a wɔyɛɛ batere no, wɔamfa batere foforo biara anni dwuma ntɛmntɛm na wɔde adi dwuma kɛse te sɛ lithium-ion batere no. Efi dɔn a wɔde ma kɔmputa CPU ahorow so kosi lithium kɛse-ion batere a wɔde di dwuma wɔ kar ne po ase akohyɛn mu so no, nsonsonoe a ɛwɔ tumi mu no boro mpɛn ɔpepem 10. Wɔwɔ nneɛma a ɛtrɛw wɔ da biara da asetra mu, nnuruyɛ ho nneɛma, kar a wɔde anyinam ahoɔden yɛ, anyinam ahoɔden a wɔde siesie nneɛma, ahunmu, ne asraafo.
Bɛboro mfeɛ 10 akyi a wɔde agye din no, lithium-ion batere abɛyɛ tumi nhyehyɛeɛ baako pɛ a wɔde di dwuma kɛseɛ wɔ digyital nneɛma te sɛ fon a wɔde di dwuma wɔ nsa so ne laptop mu. Esiane wɔn ahoɔden pɔtee a ɛkorɔn nti, wɔde di dwuma kɛse nso wɔ anyinam ahoɔden nnwinnade, anyinam ahoɔden sakre, anyinam ahoɔden bɔs, mframa ne owia ahoɔden a wɔkora so anyinam ahoɔden adwumayɛbea, mobile nkitahodi gyinabea, kanea a wɔde tu fam a wɔde tu fam, tumi a wɔde gye nkurɔfo nkwa, asraafo ankorankoro tumi a wɔde di dwuma, radio, satellite batere, ne nneɛma afoforo pii. Sɛnea akontaabu kyerɛ no, wɔ afe 2011 mu no, China lithium batere adwuma no gua kɛse no duu yuan ɔpepepem 39.7, afe biako-wɔ-afe nkɔanim a ɛyɛ 43%, na afe afe nneɛma a lithium batere ahorow no de bae no duu akuw ɔpepepem Lithium battery adwumayɛ no abɛyɛ ɔman sikasɛm ho akwankyerɛ a ɛho hia21.
