Masana kimiyya na Amurka sun kirkiro wani sabon nau'in batir mai narkakkar, wanda ake sa ran zai kai ga adana makamashi a matakin grid a cikin ƙananan zafin jiki da rahusa.

Tare da ci gaba da haɓaka hanyoyin samar da makamashi mai sabuntawa kamar iska da makamashin hasken rana, ana buƙatar mafita mai ƙirƙira don adana kuzarin ɗan lokaci daga yanayi. Mahimmin bayani shine narkakken baturin gishiri, wanda ke ba da fa'idodin da batir lithium ba su da shi, amma wasu matsalolin suna buƙatar warwarewa.

Masana kimiyya a Sandia National Laboratories (Sandia National Laboratories) karkashin Hukumar Kula da Kare Nukiliya ta Amurka sun gabatar da wani sabon tsari wanda zai iya magance wadannan kurakuran da kuma nuna sabon narkakkar batirin gishiri mai dacewa da sigar da ake da ita a halin yanzu. Idan aka kwatanta, irin wannan baturi na ajiyar makamashi za a iya gina shi cikin arha yayin da ake tara kuzari.

Adana makamashi mai yawa cikin arha da inganci shine mabuɗin yin amfani da makamashin da ake sabuntawa don samun iko da birnin gaba ɗaya. Kodayake yana da fa'idodi da yawa, wannan shine abin da fasahar batirin lithium mai tsada ta rasa. Batirin gishiri narkakku shine mafita mai inganci mai tsada wanda ke amfani da na'urorin lantarki waɗanda suka ragu tare da taimakon yanayin zafi.

"Mun yi aiki tuƙuru don rage zafin aiki na narkakkar batirin sodium zuwa mafi ƙanƙanta yanayin zafin jiki," in ji Leo Small, jagoran binciken aikin. "Yayin da rage zafin baturi, hakan na iya rage farashin gabaɗaya. Kuna iya amfani da abu mai rahusa. Batura na buƙatar ƙarancin rufewa, kuma wayoyi masu haɗa dukkan batura na iya zama mafi ƙaranci."

A kasuwanci, irin wannan baturi ana kiransa baturin sodium-sulfur. Wasu daga cikin waɗannan batura an ƙirƙira su a duniya, amma yawanci suna aiki a yanayin zafi na 520 zuwa 660F (270 zuwa 350°C). Burin kungiyar Sandia ya yi kasa sosai, duk da cewa yin hakan na bukatar sake tunani saboda sinadaran da ke aiki a yanayin zafi ba su dace da aiki a yanayin zafi ba.

An fahimci cewa sabon zane na masana kimiyya ya ƙunshi ƙarfe sodium ruwa da kuma sabon nau'in cakuda ruwa. Wannan cakuda ruwa ya ƙunshi sodium iodide da gallium chloride, wanda masana kimiyya suka kira catholyte.

Halin sinadarai yana faruwa lokacin da baturi ya saki kuzari, yana samar da ions sodium da electrons suna wucewa ta cikin kayan da aka zaɓa sosai da yin narkakken iodide gishiri a wancan gefe.

Wannan baturin sodium-sulfur na iya aiki a zazzabi na 110°C. Bayan watanni takwas na gwajin dakin gwaje-gwaje, an caje shi kuma an sallame shi fiye da sau 400, wanda ya tabbatar da darajarsa. Bugu da kari, karfin wutar lantarkin nasa ya kai 3.6 volt, wanda masana kimiyya suka ce ya fi na narkakkar batirin gishiri da ke kasuwa da kashi 40%, don haka ya fi karfin makamashi.

Marubuciyar bincike Martha Gross ta ce: "Saboda sabon katolita da muka ruwaito a cikin wannan takarda, muna matukar farin ciki game da yadda za a iya allurar makamashi a cikin wannan tsarin. Batirin sodium na narkakku ya kasance a cikin shekaru da yawa, kuma suna ko'ina cikin duniya." amma ba su taɓa kasancewa ba, babu wanda ya yi magana game da su. Don haka, yana da kyau a iya rage zafin jiki kuma a dawo da wasu bayanai kuma a ce, 'Wannan tsari ne na gaske.'

Yanzu haka masana kimiyya sun karkata akalarsu wajen rage tsadar batir, wanda za a iya samu ta hanyar maye gurbin sinadarin gallium chloride, wanda ya fi gishirin tebur tsada kusan sau 100. Sun ce har yanzu wannan fasaha ta wuce shekaru 5 zuwa 10 daga yin kasuwanci, amma abin da ke da amfani a gare su shi ne kare lafiyar baturi saboda ba ya haifar da hadarin wuta.

"Wannan ita ce nunin farko na dorewar kwanciyar hankali na dogon lokaci na batir sodium mai ƙarancin zafi," in ji marubucin bincike Erik Spoerke. "Sihirin mu shine cewa mun ƙaddara ilimin sunadarai na gishiri da electrochemistry, wanda ya ba mu damar yin aiki a 230 ° F yadda ya kamata. Aiki. Wannan ƙananan zafin jiki sodium iodide tsarin shine gyare-gyare na batir sodium narke."