Anyị na-eji kuki iji kwalite ahụmịhe gị.Site n'ịga n'ihu na-achọgharị saịtị a, ị kwenyere na ojiji anyị ji kuki.Ozi ndị ọzọ.
Ka ụlọ ọrụ ụgbọ ala eletrik (EV) na-eto, otu ahụ ka nyocha na mmepe nke batrị lithium-ion dị elu nke na-enye ha ike.Nnyocha na mgbasawanye nke teknụzụ na-ebu ngwa ngwa na ịchaji, yana ịgbatị ndụ batrị, bụ isi ọrụ na mmepe ya.
Ọtụtụ ihe, dị ka njirimara interface electrode-electrolyte, mgbasa ozi lithium ion, na porosity electrode, nwere ike inyere aka imeri nsogbu ndị a ma nweta ụgwọ ngwa ngwa na ogologo ndụ.
N'ime afọ ole na ole gara aga, nanomaterials akụkụ abụọ (2D) apụtala dị ka ihe anode nwere ike ime maka batrị lithium-ion.Nanosheets ndị a nwere njupụta saịtị na-arụ ọrụ dị elu yana akụkụ akụkụ dị elu, nke na-enye aka na chaja ngwa ngwa na njirimara ịgba ígwè dị mma.
Karịsịa, nanomaterials akụkụ abụọ dabere na mgbanwe metal diborides (TDM) dọtara uche nke obodo sayensị.N'ihi ụgbọ elu mmanụ aṅụ nke boron atọm na metal mgbanwe dị iche iche, TMD na-egosipụta nnukwu ọsọ na nkwụsi ike ogologo oge nke usoro nchekwa ion lithium.
Ka ọ dị ugbu a, otu ndị nchọpụta nke Prof. Noriyoshi Matsumi nke Japan Advanced Institute of Science and Technology (JAIST) na-eduzi na Prọfesọ Kabir Jasuja nke India Institute of Technology (IIT) Gandhinagar na-arụ ọrụ iji chọpụtakwuo ohere nke nchekwa TMD.
Ndị otu ahụ emeela ọmụmụ ihe pilot mbụ na nchekwa nke titanium diboride (TiB2) hierarchical nanosheets (THNS) dị ka ihe anode maka batrị lithium-ion.Ndị otu ahụ gụnyere Rajshekar Badam, onye bụbu JAIST Senior Lecturer, Koichi Higashimin, JAIST Technical Expert, Akash Varma, onye bụbu JAIST gụsịrị akwụkwọ, na Dr. Asha Lisa James, IIT Gandhinagar nwa akwụkwọ.
Ebipụtala nkọwapụta nyocha ha na ACS Applied Nano Materials na ọ ga-adị na ntanetị na Septemba 19, 2022.
Enwetara TGNS site na oxidation nke TiB2 ntụ ntụ na hydrogen peroxide sochiri centrifugation na lyophilization nke ngwọta.
Ihe na-eme ka ọrụ anyị pụta ìhè bụ scalability nke ụzọ ndị a na-emepụta iji mepụta nanosheets TiB2 ndị a.Iji tụgharịa nanomaterial ọ bụla ka ọ bụrụ teknụzụ a na-ahụ anya, scalability bụ ihe na-egbochi ya.Usoro sịntetịt anyị chọrọ naanị mkpasu iwe ma ọ chọghị akụrụngwa ọkaibe.Nke a bụ n'ihi nkwụsịtụ na omume recrystallization nke TiB2, nke bụ nchọpụta mberede nke na-eme ka ọrụ a bụrụ àkwà mmiri na-ekwe nkwa site na ụlọ nyocha ruo n'ọhịa.
Mgbe nke ahụ gasịrị, ndị nchọpụta ahụ chepụtara anode lithium-ion ọkara cell site na iji THNS dị ka ihe na-arụ ọrụ anode ma nyochaa njirimara nchekwa nke THNS dabeere na anode.
Ndị nyocha ahụ mụtara na anode dabeere na THNS nwere ikike mwepu dị elu nke 380 mAh / g na njupụta ugbu a bụ naanị 0.025 A / g.Na mgbakwunye, ha hụrụ ikike mwepụ nke 174mAh / g na njupụta dị ugbu a nke 1A / g, njide ikike nke 89.7%, yana oge ụgwọ nke nkeji 10 mgbe okirikiri 1000 gachara.
Na mgbakwunye, THNS nke lithium-ion anodes nwere ike iguzogide oke mmiri dị elu, site na ihe dịka 15 ruo 20 A/g, na-enye chaja ngwa ngwa n'ihe dịka 9-14 sekọnd.N'ebe dị elu, njide ikike karịrị 80% mgbe okirikiri 10,000 gachara.
Nsonaazụ nke ọmụmụ a na-egosi na 2D TiB2 nanosheets bụ ndị kwesịrị ekwesị maka ịchaji batrị lithium-ion ogologo ndụ ngwa ngwa.Ha na-egosipụtakwa uru nke nanoscale nnukwu ihe dị ka TiB2 maka ihe ndị dị mma gụnyere ikike dị elu dị elu, nchekwa ụgwọ pseudocapacitive na ịrụ ọrụ ịgba ígwè.
Teknụzụ ịchaji ngwa ngwa a nwere ike mee ka mgbasawanye nke ụgbọ ala eletrik dịkwuo elu ma belata oge echere maka ịchaji ngwaọrụ eletrọnịkị dị iche iche.Anyị na-atụ anya na nsonaazụ anyị ga-akpali nyocha ọzọ na mpaghara a, nke nwere ike wetara ndị ọrụ EV mma n'ikpeazụ, belata mmetọ ikuku nke obodo, ma belata nrụgide metụtara ndụ mkpanaka, si otú ahụ na-abawanye nrụpụta nke ọha anyị.
Ndị otu ahụ na-atụ anya na a ga-eji teknụzụ a dị ịrịba ama na ụgbọ ala eletrik na ngwa eletrọnịkị ndị ọzọ n'oge na-adịghị anya.
Varma, A., et al.(2022) nanosheets hierarchical dabere na titanium diboride dị ka ihe anode maka batrị lithium-ion.Ngwa nanomaterials ACS etinyere.doi.org/10.1021/acsanm.2c03054.
N'ajụjụ ọnụ a na Pittcon 2023 na Philadelphia, PA, anyị na Dr. Jeffrey Dick kwurịtara maka ọrụ ya na kemistri dị ala na ngwaọrụ nanoelectrochemical.
N'ebe a, AZoNano na-agwa Drigent Acoustics okwu banyere uru graphene nwere ike iweta na teknụzụ ụda na ọdịyo, yana otu mmekọrịta ụlọ ọrụ na flagship graphene ya siri kpụzie ọganiihu ya.
N'ajụjụ ọnụ a, KLA's Brian Crawford na-akọwa ihe niile dị mkpa ịmara gbasara nanoindentation, ihe ịma aka ndị dị ugbu a na-eche ihu na ubi, na otu esi emeri ha.
Ihe ọhụrụ AUTOsample-100 autosampler dakọtara na benchtop 100 MHz NMR spectrometers.
Vistec SB3050-2 bụ usoro e-beam lithography nke ọgbara ọhụrụ nwere teknụzụ beam na-emebi emebi maka ngwa dị iche iche na nyocha na mmepe, prototyping na mmepụta obere obere.