. Carbon anode a ɛyɛ den, ade titiriw bi no hyiaa abirabɔ a efi awosu mu wɔ tumi a ɛkorɔn a wotumi dannan, Coulombic a edi kan a ɛyɛ adwuma yiye, ne tap a ɛyɛ den a ɛkɔ soro ntam. Mprempren wɔredi asɛnnennen yi so. Kuw bi a Ɔbenfo Yufeng Zhao di wɔn anim wɔ Shanghai Sukuupɔn mu de "Mass Transfer Enhanced Pre-oxidation" nhyehyɛe foforo bi ho nyansahyɛ mae. Ɛdenam oxygen a ɛtrɛw no a wɔde wɔn ho hyɛɛ mu so no, wotumi maa carbon a ɛyɛ den no mu nneɛma atitiriw abiɛsa no nyinaa nyaa nkɔso bere koro mu, na ɛhyɛɛ anammɔn titiriw bi a wɔatu akɔ anim agyirae. Nea ɛne eyi di nsɛ no, nhwehwɛmu kuw bi a Nhomanimfo Tianshou Zhao di wɔn anim wɔ Southern University of Science and Technology mu yɛɛ kyerɛwtohɔ a ɛyɛ nwonwa. Sɛnea wɔatintim wɔ Energy & Environmental Science mu no, wɔyɛɛ polyanion-layered oxide heterostructure cathode ade a wɔaka abom. Saa cathode yi daa nkwa tenten soronko adi, nyaa kyinhyia bɛboro 100,000 wɔ ultra-high rate a ɛyɛ 100C bere a ɛkuraa ne tumi 72.6%-boro mprempren aguadi lithium-ion batere nkwa nna so koraa na ɛtwee adwene sii tumi a SIB ahorow wɔ wɔ nkwa tenten a wɔde di dwuma mu. Wiase nyinaa nhwehwɛmu mmɔdenbɔ rekɔ so ntɛmntɛm. Nyansahufo a wɔwɔ Brown Sukuupɔn mu daa nhumu foforo adi wɔ sodium nneyɛe ho wɔ batere mu, na ɛde nhyehyɛe foforo a wɔde bɛyɛ anode nneɛma a wɔde bɛyɛ adwuma yiye na ama wɔatumi agyina pintinn na ahoɔden a ɛwɔ mu no atu mpɔn mae. Saa bere yi mu no, nhwehwɛmufo a wɔwɔ Western University wɔ Canada yɛɛ sodium battery foforo a ɛyɛ den-tebea a wɔde sulfur ne chlorine-nneɛma a egyina so di dwuma, na ɛma sodium-ion tumi kɔ ne ahobammɔ yɛ kɛse.
2. Scaling Up: Production Capacity Takes Shape Esiane saa R&D nkɔso ahorow yi nti, sodium-ion batere a wɔde yɛ mfiridwuma no renya nkɔso ntɛmntɛm. EVE Energy adi nkonim na wɔafi ase de ne sodium-ion battery ahoɔden akorae nhyehyɛe kɛse a edi kan no adi dwuma na wɔafi ase ayɛ aguadi adwuma wɔ ne Jingmen gyinabea. Nhyehyɛe no de NF155L sodium-ion nkwammoaa a egyina NFPP (sodium iron phosphate) nhyehyɛe so di dwuma, a ɛhoahoa ne ho sɛ ahobammɔ a ɛkorɔn, ɔhyew a ɛtrɛw a wɔde yɛ adwuma, tumi a ɛkɔ soro, nkwa tenten a ɛkɔ kyinhyia, ne carbon a ɛba fam. Nea ɛho hia kɛse no, Guangde Qingna Technology Co., Ltd. de wɔn nsa ahyɛ apam ase wɔ aban kwan so sɛ wɔbɛkyekyere 20 GWh sodium-ion battery production adwuma wɔ Suining, Sichuan. Sɛ wɔde sika a wɔde bɛto mu nyinaa yɛ RMB ɔpepepem 6 a, saa adwuma yi bɛboa Suining ma wasakra afi "lithium-nkutoo" adwene so akɔ "lithium-sodium dual-drive" nhyehyɛe so. Ɛmfa ho sɛ wɔde sii hɔ wɔ August 2023 mu no, Qingna Tech ada ntrɛwmu a ano yɛ den adi, wɔ ɔkwan a ɛnteɛ so no anya kyɛfa wɔ nnwumakuw akron mu denam ne nnwumakuw nketewa so na wɔanya bɛboro RMB ɔpepem 100 wɔ Pre-A sikasɛm nhyehyɛe a Yunhe Fangyuan Capital dii anim wɔ January afe yi mu.
3. Mfaso Titiriw: Mfaso a Ɛho Hia a Ɛwɔ Nneɛma a Wɔde Yɛ Adwuma Ho Ka Anigye a ɛrenya nkɔanim wɔ sodium-ion batere ho no gyina mfaso a ɛwɔ so fi awosu mu no so denneennen. Nnansa yi mfiridwuma ho amanneɛbɔ tiawa bi a efi Amanaman Ntam Ahoɔden a Wɔyɛ Foforo Dwumadibea (IRENA) hɔ no de SIB ahorow si hɔ sɛ ɔkwan a ɛfata a wɔfa so si LIB ananmu, a ebetumi atew ahotoso a wɔde to aboɔden abo a ɛho hia so na ama wiase nyinaa batere a wɔde ma no tumi gyina ano no yɛ kɛse. Mfaso titiriw a ɛwɔ so ne nneɛma pii a wɔde yɛ adwuma ne ɛka a wɔbɔ. Sodium a ɛwɔ abon mu dodoɔ yɛ 2.74%, ɛboro lithium 0.0065% so kɛseɛ. Wɔkyekyɛ no kɛse na ɛnyɛ den sɛ wobenya bi, na ɛma nneɛma a wɔde yɛ adwuma no ho ka yɛ den na ɛba fam. EVE Energy bɔ amanneɛ sɛ nkwa nna nyinaa-kyinhyia carbon a ɛba ne NF155L nkwammoaa mu no sua bɛboro 42% sen nea ɛwɔ lithium-ion batere mu. Nkwammoaa no nso boa adwumayɛ mu ɔhyew a ɛtrɛw fi -40℃kosi +60℃, na ɛma ɛfata ma ahoɔden a wɔkora so tebea ahorow. Nnwuma mu nhwehwɛmufo bu akontaa sɛ wɔ nneɛma akɛse-ayɛyɛ mu no, sodium-ion batere ho ka betumi ayɛ nea ɛba fam 30-40% asen lithium-ion batere de.
4. Ahyeɛ a Wɔde Di Dwuma: Ahoɔden a Wɔde Siesie ne Ɛlektrik a Wɔde Fa Sodium{1}}ion batere a wɔde di dwuma no reyɛ pefee, a wɔde wɔn ani asi gua titire mmienu so: Ahoɔden a Wɔde Siesie Nneɛma Kɛseɛ (ESS): Wobu yei sɛ ɛyɛ dwumadie titire. Adwumayɛfoɔ a wɔwɔ EVE Energy si so dua sɛ mfasoɔ a ɛwɔ SIBs so wɔ nneɛma a wɔde yɛ adwuma ho ka ne nneɛma a wɔnya mu no ma ɛyɛ papa ma grid akoraeɛ kɛseɛ-akoraeɛ ne ahoɔden a wɔkyekyɛ. Kar a Ɛwɔ Ahoɔhare a Ɛba Fam (EV): Eyi ka anyinam ahoɔden kar a ɛwɔ ntwahonan abien/abiɛsa, micro-kar, ne kar a wɔde fa nnipa a ɛde ahoɔhare sua-ka ho. Qingna Tech ne nnwuma akannifoɔ te sɛ Jinpeng Kuo ne Lima Kar Nnwuma ayɛ nkitahodiɛ a ɛfa akwankyerɛ ho, a nea ɛka ho ne 1.75 GWh/afe adetɔ apam a wɔne Jinpeng ayɛ. Qingna "layered oxide + large cylindrical cell" nneɛma no ma ahoɔden density a ɛkɔ 142 Wh/kg, cycle nkwa boro 6,000 cycles, 5C charge/discharge tumi, ne bɛboro 82% tumi a ɛkora so wɔ -40℃Wiase nyinaa nsa a wɔde di dwuma no retrɛw. Qingna Tech de nhwɛsoɔ amena na wɔadu batch adwumayɛ adwene a ɛne Europa nnwumakuo awotwe ho, a wɔde wɔn ani asi dwumadie a ɛwɔ ahoɔhare a ɛba fam-ahoɔhare so akwantuo, atenaeɛ/UPS backup power systems, ne municipal backup power systems. 5. Daakye Nhwɛsoɔ: Mfiridwuma mu Nneɛma ahodoɔ ne Nnwumayɛ mu Nkɔmmɔdie IRENA amanneɛbɔ no hyɛ no nsow sɛ ɛnam sɛ wiase nyinaa ahwehwɛdeɛ a ɛkɔ soro wɔ ahoɔden a wɔkora so ne anyinam ahoɔden kar a ɛbɛdɔɔso nti, sodium-ion battery repue sɛ nea ɛho ka sua na ɛnyɛ nea ɛmma nneɛma a atwa yɛn ho ahyia a ɛboa lithium-ion mfiridwuma. Daakye bɛhunu sɛ SIB mfiridwuma mu nneɛma ahodoɔ bɛba. Nnwumakuw te sɛ Qingna Tech redi nkɔso akwan a ɛne ne ho di nsɛ akyi ama layered oxide, polyanion, ne solid-state sodium batteries. Adesua akuw, te sɛ nea ɛwɔ Western University no, kɔ so di nsɛnnennen atitiriw te sɛ ion a ɛkɔ brɛoo wɔ solid-state designs mu no ho dwuma. Wɔ nnwuma nhyehyɛe mu no, wɔnhwɛ kwan sɛ sodium-ion batere besi lithium-ion batere ananmu koraa. Mmom no, ɛda adi sɛ asase a ɛka bom bɛba: ebia lithium-ion bɛkɔ so adi EV ahorow a ɛyɛ adwuma yiye-di so, bere a sodium-ion di ne niche wɔ ahoɔden a wɔkora so, EV ahorow a ahoɔhare sua-ahoɔhare pii, ne ntwahonan abien-mu. Awiei Ɛnam mfiridwuma mu nkɔso a ɛkɔ so ne mfiridwuma nkɔnsɔnkɔnsɔn a ɛrenyin nti, sodium-ion batere rehyɛn nkɔso bere a ɛyɛ sika kɔkɔɔ mu. Ɛnyɛ sɛ saa afuw yi a ɛbɛkɔ soro no bɛma ahoɔden a wɔkora so mfiridwuma akwan ahorow ayɛ ahorow nko, na mmom ɛbɛboa ma nhyɛso a ɛwɔ lithium-ion batere a wɔde ma no so no so atew, na ɛde ahoɔden foforo bɛhyɛ wiase nyinaa ahoɔden nsakrae no mu.