ʻO ka noiʻi kemika kiʻekiʻe o 2022, e nā helu
Ua hopu kēia mau helu helu hoihoi i ka manaʻo o nā mea hoʻoponopono o C&EN
naCorinna Wu
77 mA h/g
ʻO ka mana hoʻoili o a3D-paʻi ʻia ka lithium-ion electrode pākahiko, ʻoi aku ma mua o ʻekolu manawa ʻoi aku ka nui o ke kiʻekiʻe o ka electrode i hana maʻamau.Hoʻopili ka ʻenehana paʻi 3D i nā nanoflakes graphite i loko o ka mea e hoʻonui ai i ke kahe o nā ion lithium i loko a i waho o ka electrode (nā noiʻi i hōʻike ʻia ma ka hālāwai ACS Spring 2022).
'Ai'ai'ē: Soyeon Park He anode pākahiko paʻi 3D
38-papa
Hoʻonui i ka hana aʻenehana hou i hana ʻiae hoʻohaʻahaʻa i ka polyethylene terephthalate (PET) i hoʻohālikelike ʻia me nā PETases mua.Ua hoʻohiolo ka enzyme i 51 mau laʻana PET ʻokoʻa i nā manawa manawa mai nā hola a i nā pule (ʻAno2022, DOI:10.1038/s41586-022-04599-z).
'Ai'ai: Hal Alper A PETase wawahi i ka ipu kuki plastik.
24.4%
Ka pono o aperovskite solar celli hōʻike ʻia ma 2022, e hoʻonohonoho ana i kahi moʻolelo no nā photovoltaics kiʻiʻoniʻoni lahilahi.ʻOi aku ka maikaʻi o ka tandem cell i ka hoʻohuli ʻana i ka lā i uila i ka mea hoʻopaʻa moʻolelo mua ma 3 mau pākēneka a hiki ke kū i 10,000 mau piko me ka pohō ʻole o ka hana (Nat.ikehu2022, DOI:10.1038/s41560-022-01045-2).
100 manawa
ʻO ke kumukūʻai e amea electrodialysispahele i ka carbon dioxide i hoʻohālikelike ʻia me nā ʻōnaehana hopu kalapona i kēia manawa.Ua helu ka poʻe noiʻi ʻo kahi ʻōnaehana nui e hiki ai ke paʻa i 1,000 metric tons o CO2 i kēlā me kēia hola e kūʻai ʻia he $145 no ka metric ton, ma lalo o ke kumu kūʻai o ka 'Oihana o Energy he $200 no ka metric ton no nā ʻenehana wehe kalapona (Ka puni ikehu.ʻO Sci.2022, DOI:10.1039/d1ee03018c).
Aiʻa: Meenesh Singh He mea hana electrodialysis no ka hopu kalapona
ʻAiʻai: ʻEpekema Hoʻokaʻawale ka membrane i nā molekole hydrocarbon mai ka aila ʻaila māmā.
80-95%
Pākēneka o nā molekole hydrocarbon ka nui o ka ʻaila i ʻae ʻia ma o apolimer membrane.Hiki i ka membrane ke pale i nā wela kiʻekiʻe a me nā kūlana paʻakikī a hiki ke hāʻawi i kahi ala ʻoi aku ka ikaika o ka ikehu e hoʻokaʻawale i ka ʻaila mai ka ʻaila ʻaila māmā (ʻepekema2022, DOI:10.1126/science.abm7686).
3.8 biliona
Ka helu o nā makahiki i hala aku nei ua hoʻomaka ka hana tectonic plate o ka Honua, e like me kahika nānā 'ana i ka isotopic o nā kristal zirconi hoʻokumu ʻia i kēlā manawa.ʻO nā kristal, i hōʻiliʻili ʻia mai kahi moena one ma ʻApelika Hema, hōʻike i nā pūlima e like me nā mea i hana ʻia i nā ʻāpana hoʻohaʻahaʻa, akā ʻaʻole nā kristal kahiko (AGU Adv.2022, DOI:10.1029/2021AV000520).
Loaʻa: Nadja Drabon Nā kristal zircon kahiko
40 makahiki
ʻO ka manawa i hala ma waena o ka synthesis o ka ligand Cp* perfluorinated a me ka hana ʻana o kānapaʻakikī hoʻonohonoho mua.ʻO nā hoʻāʻo mua a pau e hoʻohui i ka ligand, [C5(CF3)5]−, ua hāʻule no ka mea ua ikaika loa kāna mau pūʻulu CF3 i ka wehe ʻana i ka electron (ʻO Angew.Kemi.Int.Ed.2022, DOI:10.1002/anie.202211147).
1,080
Ka helu o nā ʻāpana kō i kapolysaccharide lōʻihi a nui loasynthesized a hiki i kēia lā.Ua hana ʻia ka molekala haʻihaʻi moʻoʻōlelo e kahi synthesizer solution-phase automated (Nat.Synth.2022, DOI:10.1038/s44160-022-00171-9).
ʻAe: Xin-Shan Ye Automated polysaccharide synthesizer
97.9%
Hōʻike ʻia ka pākēneka o ka lā e kahipena keʻokeʻo ultraloaʻa nā nanoplatelets boron nitride hexagonal.Hiki i ke kapa 150 µm manoanoa o ka pena ke hooluolu i ka ili ma ka 5-6 °C i ka la ponoi a hiki ke kokua i ka hoemi i ka mana e pono ai e malama i na mokulele a me na kaa.Cell Rep. Phys.ʻO Sci.2022, DOI:10.1016/j.xcrp.2022.101058).
aie:Cell Rep. Phys.ʻO Sci.
Hexagonal boron nitride nanoplatelets
90%
E emi ana ka pākēneka maʻO ka maʻi maʻi SARS-CoV-2i loko o 20 min o ka huakaʻi e hālāwai me ka ea o loko.Ua hoʻoholo ka poʻe noiʻi e pili nui ana ke ola o ka maʻi COVID-19 e nā loli i ka haʻahaʻa pili (ʻO Proc.Natl.Acad.ʻO Sci.USA2022, DOI:10.1073/pnas.2200109119).
Loaʻa: ʻO Henry P. Oswin ʻElua kulu aerosol ma nā haʻahaʻa like ʻole
Ka manawa hoʻouna: Feb-07-2023