He thuziak hi Science X-in editorial kalphung leh policy a siam angin kan thlirlet a ni. Editor-te chuan thupui dik tak a nih theih nan a hnuaia miziate hi an ngaih pawimawh hle a ni:
Carbon dioxide (CO2) hi khawvela nunna atana thil pawimawh tak a ni a, khawvel lumna tipungtu greenhouse gas a ni bawk. Tunah chuan scientist-te chuan carbon dioxide hi renewable, carbon tlem zawk fuel leh chemical product man to tak tak siamna atana hmanraw beisei awm tak a nih thu an zirchiang mek a ni.
Researcher-te tana harsatna chu carbon dioxide chu carbon intermediate quality sang tak, carbon monoxide, methanol emaw formic acid-a chantir theihna tur kawng tha leh man tlawm zawk zawn chhuah hi a ni.
National Renewable Energy Laboratory (NREL)-a KK Neuerlin kaihhruai research team leh Argonne National Laboratory leh Oak Ridge National Laboratory-a thawhpuiten he harsatna chinfel dan tur beisei awm tak an hmuchhuak a ni. He team hian renewable electricity hmanga carbon dioxide atanga formic acid siam chhuahna tur conversion method an siam a, energy efficiency sang tak leh durability sang tak neiin an siam chhuak a ni.
He zirchianna hi “Scalable membrane electrode assembly architecture for efficient electrochemical conversion of carbon dioxide to formic acid” tih a ni a, journal Nature Communications-ah tihchhuah a ni.
Formic acid hi chemical intermediate awm thei a ni a, hmanna hrang hrang a nei a, a bik takin chemical emaw biological industry-a raw material atan hman theih a ni. Formic acid hi biorefining-a aviation fuel thianghlim siamna atana feedstock atan pawh hmuhchhuah a ni tawh bawk.
CO2 electrolysis hian electrolytic cell-a electrical potential hman a nih chuan CO2 chu chemical intermediate formic acid emaw ethylene ang chi molecule-ah a tlahniam a ni.
Electrolyzer-a membrane-electrode assembly (MEA) hi a tlangpuiin ion-conducting membrane (cation emaw anion exchange membrane) electrocatalyst leh ion-conducting polymer awmna electrode pahnih inkara sandwiched a ni.
Fuel cell technology leh hydrogen electrolysis lama team thiamna hmangin electrolytic cell-a MEA configuration engemawzat an zirchiang a, CO2 chu formic acid-a electrochemical tihtlem dan tehkhin nan an hmang a ni.
Design hrang hrang hlawhchhamna thlirletna hmangin, team hian material set awm tawhte tihkhawtlai, a bik takin tuna anion exchange membrane-a ion rejection awm lohna chu hmang tangkaiin, system design pumpui chu awlsam zawka siam an tum a ni.
KS Neierlin leh Leiming Hu te NREL hmuhchhuah chu perforated cation exchange membrane thar hmanga MEA electrolyzer siam that a ni. He perforated membrane hian formic acid siamchhuahna mumal tak, thlan bik tak a pe a, off-the-shelf components hmangin design a ti awlsam bawk.
“He zirchianna result hian formic acid ang chi organic acid electrochemical production-a paradigm shift a entir a ni,” tiin co-author Neierlin chuan a sawi. “Perforated membrane structure hian design hmasa te complexity a ti tlem a, electrochemical carbon dioxide conversion device dangte energy efficiency leh durability tihchangtlunna atan pawh hman theih a ni bawk.”.
Science lama hmasawnna dang ang bawkin, cost factors leh economic feasibility hriatthiam a pawimawh hle. Department hrang hrangah hna thawkin NREL zirchiangtu Zhe Huang leh Tao Ling te chuan techno-economic analysis an present a, renewable electric man chu kilowatt-hour khatah cent 2.3 emaw a aia tlem emaw a nih chuan tunlai industrial formic acid siamna kalphung nena cost parity neih theih dan tur an hmuchhuak a ni.
“He team hian sumdawnna atana hman theih catalyst leh polymer membrane material hmangin heng result te hi an tihlawhtling a, chutih rualin tunlai fuel cell leh hydrogen electrolysis plant te scalability hmang tangkai thei MEA design an siam bawk,” tiin Neierlin chuan a sawi.
“He zirchianna result hian renewable electricity leh hydrogen hmanga carbon dioxide chu fuel leh chemical-ah a chantir thei a, scale-up leh commercialization lama inthlakna a ti chak thei ang.”.
Electrochemical conversion technology hi NREL-in Electrons to Molecules program a kalpui danah hian a bulpui ber a ni a, hei hian next-generation renewable hydrogen, zero fuel, chemical leh electrically driven process atana hman tur materials te a ngaih pawimawh ber a ni.
“Kan program hian renewable electricity hmanga carbon dioxide leh tui ang chi molecule te chu energy source atana thawk thei compound-a chantir theih dan tur kan dap mek a ni,” tiin NREL-in fuel siamna atana electron transfer leh/ emaw precursors strategy director Randy Cortright chuan a sawi. emaw, chemical emaw pawh a ni thei.”
“He electrochemical conversion research hian electrochemical conversion process hrang hranga hman theih tur hmasawnna a pe a, he pawl atanga result duhawm zawk kan beisei a ni.”.
Thu belhchian dawl zawk: Leiming Hu leh a thawhpuiten, CO2 chu formic acid-a electrochemical hmanga siam thatna tur scalable membrane electrode assembly architecture, Nature Communications (2023). DOI: 10.1038/s41467-023-43409-6 ah zawhfiah theih a ni
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