Natri-lu hunh pin, anode kim loi natri, lu hunh l tch cc, gm s in tch pin th cp. Lm vic trong mt mc nht nh, cc ion natri qua in gia c honh v cc phn ng hi phc ca lu hunh, vic pht hnh ca s hnh thnh v lu tr nng lng.

C bnPin natri-lu hunh l Ford (Ford) u tin c pht minh vo nm 1967, cng ty thng bo, cho n nay ch khong 40 tui.Pin thng c gy ra bi cc m, cc dng, in, phn cch, v bao gm mt s b phn. Pin th cp thng thng nh pin axit ch, pin nickel-cadmium, vv c lm bng in cc rn v thnh phn cht in phn lng, v pin natri-lu hunh l tri ngc vi tnh trng nng chy cht lng l in cc v cht in phn rn bao gm cc in cc thnh phn hot ng tiu cc nng chy cht liu kim loi natri, cht hot in cc dng l lu hunh v nng chy natri polysulfide, bi v lu hunh l mt cht cch in, do , lu hunh thng c lp y trong mt carbon xp in dn in hoc than ch cm thy, cht in phn rn v cc du phn cch l mt dn c bit ion natri c gi l vt liu gm Al2O3, nh ni chung l mt vt liu kim loi nh thp khng g.

Cc tnh nng chnhPin natri-lu hunh c nhiu c im ca ni ny: mt nng lng c bit (pin n v khi lng hoc th tch c nng lng in hiu qu) l cao. Nng lng c th l thuyt ca 760Wh/Kg, thc s ln hn 150Wh/Kg, l pin ch-axit 3-4 ln. Chng hn nh Nht Bn, Cng ty in lc Tokyo (TEPCO) v NGK cng ty pht trin natri pin lu hunh nh pin lu tr nng lng, ng dng nhm mc tiu nh my in san lp mt bng ti ca n (v d, ct Pinggu chi vai tr ca m d tha in c lu tr trong pin, ban ngy mt ln na khi cng sut nh c pht hnh t pin), quyn lc khn cp UPS v b cng sut tc thi, vv, v vo nm 2002 bc vo thng mi ha cc giai on thc hin, c xy dng natri-lu hunh pin cc thit b lu tr nng lng (8MW) ln nht th gii, n nm 2005 trong s liu thng k thng Mi, s tin hng nm ca pin natri lu hunh c hn 100 MW, trong khi bt u sn xut nc ngoi.

Khc l hin ti, phng in cao cao. Mt x hin nay ni chung l ln 200-300mA/cm2, v thi gian pht hnh ngay lp tc c th l 3 ln nng lng vn c ca n; khc l hiu qu ph x. Nh mt cht in phn rn, khng c thng c s dng cht lng in th cp pin t x v phn ng ph, ph v x hiu sut hin ti gn 100%. Tt nhin, mi th lun lun chia thnh hai, pin natri lu hunh cng c thiu st, nhit lm vic ca n 300-350 , v vy khi pin cn mt s vt liu cch nhit. Tuy nhin, cng ngh chn khng cch in hiu sut cao, m hiu qu c th gii quyt vn ny.

Vai tr quan trngNatri v lu hunh s c thng qua mt phn ng ha hc, nng lng lu tr ln, khi li in i hi nhiu nng lng hn, do s chuyn i nng lng ha hc thnh nng lng in, pht hnh ra, pin natri-lu hunh ca "l" Hiu sut l tuyt vi, ngay c khi u vo hin ti hn so vi cng sut nh mc t nhin t 5-10 ln, n cng c th chu c bnh tnh, v sau pht hnh thnh mt mng li in n nh - cho vn hnh tri chy ca mt li in thnh ph ln c bit hu ch. Nng lng mt tri, nng lng gi v cc ngun nng lng mi khc mc d sch s, nhng th h quyn lc l rt khng n nh. iu ny s mang li ton b li in bt ng ca "cao im." Nh my in nng lng lu tr s nhng "in xanh" u tin hon ton v sau theo nhu cu cng sut u ra.Pin natri-lu hunh l Na-beta-oxit nhm (Al2O3) l cht in phn v du phn cch, tng ng, v natri polysulfide kim loi nh cc dng v cc m ca pin th cp. Pin natri-lu hunh lu tr nng lng c li th duy nht, ch yu l nguyn liu v chun b cc mt thp chi ph, nng lng v sc mnh, hiu qu cao, khng c hn ch khng gian, d dng bo tr v nh vy.

Rt nghaPin natri-lu hunh l mt cng ha mi ca mt thnh vin mi ca gia nh xut hin, nhiu quc gia trn th gii t c tm quan trng v pht trin tuyt vi. T pin natri lu hunh c mt lot cc tnh nng hp dn ca pin nng lng cao, do , bt u vo ngy u tin ca nhiu quc gia cam kt s pht trin ca sc mnh ca n nh mt pin xe in, c rt nhiu kt qu ng khch l, nhng vi thi gian m pin natri-lu hunh trong mt tnh hung di ng (chng hn nh xe in) iu kin tng i khc nghit s dng, hoc t vic s dng cc khng gian c sn, s an ton ca pin chnh n, v nh vy l mt s hn ch. V vy, trong nhng nm cui thp nin 1980 v u nhng nm 1990, tp trung vo s pht trin ca nc ngoi pin natri-lu hunh nh mt dp c nh (v d nh lu tr nng lng) cc ng dng, v ngy cng th hin tnh u vit ca n.Pin natri-lu hunh c s dng thnh cng chuyn ti, in khn cp, nng lng gi v cc ngun nng lng ti to khc v ci thin s n nh ca cht lng in nng u ra v cc kha cnh khc. nc ngoi c hng trm khi natri lu hunh pin nng lng nh my in lu tr trong hot ng, mt lot cc pin th cp tin tin l trng thnh nht v ha hn nht mt.

Bo co lin quanNatri-lu hunh pin nng lng nh my in lu tr nm mt vai tr ln hn cho li in ton b "chuyn ti". Nh chng ta u bit, li in phi c xy dng p ng ph ti in ti a. Trong nm 2008, Thng Hi tip tc t mc cao nht gi ti ch 104,5 gi, v p ng ti ny nh ngn, nhng cn phi u t 20 t nhn dn t. 1 kilowatt in li pin lu tr nng lng c th tit kim vn u t 130 triu nhn dn t, thng qua "chuyn ti" tn than tiu chun c th s dng nhiu in do 100 , c th mang li li ch kinh t ti 480 nhn dn t. n nm 2015, Thng Hi thung lng khc bit ln n 16.000 MW in, ngay c khi ch c 20% l "Thung lng in" lu tr cho gi cao im, li ch kinh t ca mnh cho hn 7 t nhn dn t - v lu tr nng lng xy dng trm nng lng u t, ch c 20 t nhn dn t. H xy dng hai dy chuyn sn xut th im MW, sn xut hng thng ca pin natri-lu hunh 200-250. "Tip theo, chng ti s tham gia lc lng cng ty nhiu hn khm ph quy trnh sn xut quy m ln hn." Silicon trn s hp tc ca Tng cc trng Xia ni vi cc phng vin, Thng Hi kch thc t nhin mnh c th d on th trng ln n 40 t nhn dn t .Pin natri-lu hunh thng qua hai trin lm hi ch trin lm Th gii v cc nh lnh o nh nc truy cp cng nh bo tn ca n thp "carbon" nng lng, li in thng minh, nng lng mi v cc khu vc khc ca chc nng, hiu sut vn c ca n v gi tr ng dng xut hin, mc ca s ch s c ci thin rt nhiu. Pin natri-lu hunh l cui cng t c cng nghip thc hin y gi tr ca ring mnh, chng ti l ph hp hn cho s pht trin ca ngnh cng nghip pin natri-lu hunh c chn lc, ph hp vi nhu cu th trng c im k thut m hnh rp khun iu kin thc t, pht trin mc tiu v sn xut thit b v cc sn phm, y mnh tc cng nghip ha. C th ni, trong vi nm ti natri-lu hunh hot ng thng mi pin ca Trung Quc ng ch i.Lan Tai Industrial - Khi ln nht Trung Quc v cc nh sn xut ln nht th gii ca natri kim loi, cng sut 50.000 tn, vi s pht trin th ha ca Trung Quc ca li in thng minh, cng nh vic tng cng nng lng gi ca Trung Quc, natri pin lu hunh s c s dng rng ri trong Trong s cc d n xy dng li in khc nhau nh natri kim loi natri, lu hunh nh cung cp ln nht ca vt liu pin, nhng cng rt nhiu s c hng li t li in thng minh v xy dng d n in gi!

Gii quyt vn ca h thng in gi, hu ht cc kh nng suy ngh ca hn "lu tr nng lng - quy nh cng sut phn khng", vic s dng nng lng lin tc cng ngh lu tr nng lng in Lookout tr nn d dng iu chnh nng lng. iu ny c hiu rng cng ngh lu tr nng lng pht trin cha nng lng gi quy m ln mong mun cp. Trong s , pin natri-lu hunh, pin lithium l tng i trng thnh, v c th c s dng trong cc ng dng in ni tiu th in nng, nhng gim chi ph. Ngoi ra, iu kin a l ni thch hp, kh nn kim tra lu tr nng lng cng c th c thc hin, vi c tnh khong 100MW nhiu ng dng c th t c.