Ruwan teku na ɗaya daga cikin albarkatu mafi yawa a duniya, yana ba da alƙawari duka biyu a matsayin tushen hydrogen - kyawawa a matsayin tushen makamashi mai tsabta - da ruwan sha a cikin yanayi mara kyau. Amma ko da yadda fasahar raba ruwa da ke da ikon samar da hydrogen daga ruwa mai tsafta sun yi tasiri sosai, ruwan teku ya kasance kalubale.

Masu bincike daga Jami'ar Houston sun ba da rahoton wani gagarumin ci gaba tare da sabon iskar oxygen dauki mai kara kuzari wanda, hade tare da mai kara kuzarin juyin halittar hydrogen, an cimma matsaya na yanzu masu iya tallafawa buƙatun masana'antu yayin da ake buƙatar ƙarancin wutar lantarki don fara wutar lantarki ta ruwa.

Masu bincike sun ce na'urar, wacce ta hada da nitrides karfen da ba su da tsada, ta yi kokarin kauce wa da yawa daga cikin cikas da suka takaita yunkurin da a baya na samar da hydrogen ko tsaftataccen ruwan sha daga ruwan teku cikin sauki. An kwatanta aikin a cikin Sadarwar yanayi.

Zhifeng Ren, darektan Cibiyar Kula da Lafiya ta Texas a UH kuma mawallafin jaridar, ya ce babban abin da ke kawo cikas shi ne rashin abin da zai iya raba ruwan teku yadda ya kamata don samar da hydrogen ba tare da samar da ions na sodium, chlorine, calcium kyauta ba. da sauran abubuwan da ke cikin ruwan teku, waɗanda da zarar sun 'yantar da su suna iya daidaitawa a kan ma'auni kuma su sa ya daina aiki. Chlorine ions suna da matsala musamman, a wani ɓangare saboda chlorine yana buƙatar ɗan ƙaramin ƙarfin lantarki don kyauta fiye da yadda ake buƙata don 'yantar da hydrogen.

Masu binciken sun gwada masu kara kuzari da ruwan teku da aka zabo daga Galveston Bay da ke gabar tekun Texas. Ren, MD Anderson Shugaban Farfesa na ilimin kimiyyar lissafi a UH, ya ce zai kuma yi aiki da ruwa mai datti, samar da wani tushen hydrogen daga ruwa wanda ba zai yuwu ba ba tare da magani mai tsada ba.

"Yawancin mutane suna amfani da ruwa mai tsabta don samar da hydrogen ta hanyar rarraba ruwa," in ji shi. "Amma samuwar ruwa mai tsafta yana da iyaka."

Don magance matsalolin, masu binciken da aka tsara kuma suna ba da cikakkiyar ƙwayar ostition uku da kuma NICLODIDIDEDIDEM-Nitride Nitbods akan popous kumfa.

Mawallafi na farko Luo Yu, mai bincike na gaba da digiri a UH wanda kuma ke da alaƙa da Jami'ar Al'ada ta Tsakiyar China, ya ce sabon abin da ke haifar da haɓakar haɓakar iskar oxygen an haɗa shi da wani abin da ya faru a baya wanda aka ba da rahoto game da haɓakar halayen hydrogen na nickle-molybdenum-nitride nanorods.

An haɗa abubuwan da ke kara kuzari a cikin na'urar lantarki mai amfani da lantarki guda biyu, wanda za'a iya amfani da shi ta hanyar zafi mai zafi ta na'urar thermoelectric ko ta baturi AA.

Wutar lantarki da ake buƙata don samar da ƙimar halin yanzu na milliamperes 100 a kowace centimita murabba'in (ma'aunin yawa na yanzu, ko mA cm-2) ya kasance daga 1.564 V zuwa 1.581 V.

Yu ya ce wutar lantarki na da matukar muhimmanci, domin yayin da ake bukatar wutar lantarki ta akalla 1.23 V don samar da hydrogen, ana samar da sinadarin chlorine a karfin wutar lantarkin 1.73 V, ma'ana dole ne na'urar ta iya samar da ma'anoni masu ma'ana na ma'auni na yanzu tare da wutar lantarki. tsakanin matakan biyu.

Baya ga Ren da Yu, masu bincike kan takardar sun hada da Qing Zhu, Shaowei Song, Brian McElhennyy, Dezhi Wang, Chunzheng Wu, Zhaojun Qin, Jiming Bao da Shuo Chen, dukkansu UH; da Ying Yu na jami'ar al'ada ta tsakiyar kasar Sin.

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