Lipalopalo tsena tse khahlang li ile tsa hapa tlhokomelo ea bahlophisi ba C&EN

Lipatlisiso tse holimo tsa chemistry tsa 2022, ka lipalo

Lipalopalo tsena tse khahlang li ile tsa hapa tlhokomelo ea bahlophisi ba C&EN

kaCorinna Wu

77 mA h/g

Bokhoni ba tefiso eaElectrode ea betri ea lithium-ion e hatisitsoeng ka 3D, e phahameng ka makhetlo a mararo ho feta ea electrode e entsoeng ka tloaelo.Mokhoa oa khatiso oa 3D o tsamaisana le li-nanoflakes tsa graphite ka thepa ho ntlafatsa phallo ea li-ion tsa lithium ho tsoa le ho tsoa ho electrode (lipatlisiso tse tlalehiloeng sebokeng sa ACS Spring 2022).

Mokitlane: Soyeon Park A anode ea betri e hatisitsoeng ka 3D

 

makhetlo a 38

Keketseho ea ts'ebetso ea aenzyme e ncha e entsoenge nyenyefatsang polyethylene terephthalate (PET) ha e bapisoa le li-PETase tse fetileng.Enzyme e ile ea theola lisampole tse 51 tse fapaneng tsa PET ho latela liforeimi tsa nako ho tloha lihora ho isa libekeng.Tlhaho2022, DOI:10.1038/s41586-022-04599-z).

 

Mokitlane: Hal Alper A PETase e senya sejana sa likuku tsa polasetiki.

 

24.4%

Bokhoni ba ho aseleng ea letsatsi ea perovskitee tlalehiloe ka 2022, e beha rekoto bakeng sa li-photovoltaics tse bobebe tsa filimi e bonolo.Bokhoni ba sele ea tandem ha bo fetola khanya ea letsatsi hore e be motlakase bo otla motho ea neng a tšoere rekoto ea pele ka liperesente tse 3 mme e khona ho mamella ho kobeha ha 10,000 ntle le tahlehelo ea ts'ebetso.Nat.Matla2022, DOI:10.1038/s41560-022-01045-2).

100 makhetlo

Sekhahla seo asesebelisoa sa electrodialysise tšoasa carbon dioxide ha e bapisoa le mekhoa ea hona joale ea ho tšoara carbon.Bafuputsi ba ile ba lekanya hore tsamaiso e kholo e ka tšoasang lithane tse 1 000 tsa CO2 ka hora e ka bitsa $145 ka tonne e le 'ngoe, ka tlase ho sepheo sa litšenyehelo tsa Lefapha la Matla la $200 ka tone ea metric bakeng sa theknoloji ea ho tlosa carbon.Tikoloho ea Matla.Sci.2022, DOI:10.1039/d1ee03018c).

 

Mokitlane: Meenesh Singh Sesebelisoa sa electrodialysis bakeng sa ho tšoara carbon

 

 

Credit: Science Lera le arola limolek'hule tsa hydrocarbon ho oli e bobebe e bobebe.

80-95%

Peresente ea peterole boholo ba limolek'hule hydrocarbon lumelloa kalera la polymer.Lera le ka mamella mocheso o phahameng le maemo a thata 'me le ka fana ka mokhoa o fokolang oa matla oa ho arola peterole ho oli e tala e bobebe.Saense2022, DOI:10.1126/science.abm7686).

3.8 limilione tse likete

Palo ea lilemo tse fetileng hore tšebetso ea tectonic plate ea Earth e qalile, ho latelatlhahlobo ea isotopic ea likristale tsa zirconse ileng sa theha ka nako eo.Likristale, tse bokelletsoeng betheng ea lejoe la lehlabathe Afrika Boroa, li bonts'a li-signature tse tšoanang le tse entsoeng libakeng tse tlase, athe likristale tsa khale ha li (AGU Adv.2022, DOI:10.1029/2021AV000520).

 

Mokitlane: Nadja Drabon Likristale tsa khale tsa zircon

 

lilemo tse 40

Nako e ileng ea feta pakeng tsa ho qaptjoa ha perfluorinated Cp* ligand le ho thehoa ha eonamokhoa oa pele oa ho hokahanya.Liteko tsohle tse fetileng tsa ho hokahanya ligand, [C5(CF3)5]−, e ile ea hlōleha hobane lihlopha tsa eona tsa CF3 li hula ka matla haholo (Angew.Chem.Int.Mong.2022, DOI:10.1002/anie.202211147).

1,080

Palo ea likarolo tsa tsoekere ka har'apolysaccharide e telele le e kholo ka ho fetisisae entsoeng ho fihlela joale.Molek'hule e pshatlang rekoto e entsoe ke mochini o ikemetseng oa tharollo-phase synthesizer (Nat.Synth.2022, DOI:10.1038/s44160-022-00171-9).

 

Credit: Xin-Shan Ye Automated polysaccharide synthesizer

 

97.9%

Peresente ea khanya ea letsatsi e bonahatsoang kepente e tšoeu haholoe nang le hexagonal boron nitride nanoplatelelets.Pente e teteaneng ea 150 µm e ka pholisa bokaholimo ka 5-6 °C letsatsing le tobileng mme e ka thusa ho fokotsa matla a hlokahalang ho boloka lifofane le likoloi li folile (Cell Rep. Phys.Sci.2022, DOI:10.1016/j.xcrp.2022.101058).

 

Mokitlane:Cell Rep. Phys.Sci.

Hexagonal boron nitride nanoplatelets

90%

Liphesente tse fokotsehangTšoaetso ea SARS-CoV-2nakong ea metsotso e 20 ho tloha ha kokoana-hloko e kopana le moea o ka hare.Bafuputsi ba fumane hore nako ea bophelo ea kokoana-hloko ea COVID-19 e angoa haholo ke liphetoho tsa mongobo o itseng (Proc.Natl.Akad.Sci.usa2022, DOI:10.1073/pnas.2200109119).

 

Credit: Courtesy of Henry P. Oswin Marotholi a mabeli a aerosol sebakeng se fapaneng sa mongobo