Wantaim wok bilong stretim global eneji straksa na hariap divelopmen bilong rinewabel eneji,stoa bilong enejiteknoloji i wok long kamap isi isi olsem wanpela bikpela sapot bilong senisim eneji na kirapim ekonomik divelopmen long bihain taim.
Introdaksen long Eneji Stoa Bateri Teknoloji
▲Klasifikasen na Aplikesen bilong Eneji Stoa Teknoloji
▲Lukluk long ol bateri bilong putim pawa
▲Wok prinsipol na komposesen bilong ol eneji stoa bateri
▲Ol mak bilong wok na ol narapela tok bilong ol bateri bilong putim pawa
Eneji em i nambawan samting we i save kirapim wol na em i wanpela bikpela risos we sosaiti bilong ol manmeri i save dipen long en long divelopim. Stat long taim ol i yusim paia pastaim i go inap long pawa bilong nau, divelopmen na yusim bilong eneji i bin kirapim sivilisesen na i bin stiaim sosel straksa bilong yumi nau.
Wantaim groa bilong global eneji diman na hariap divelopmen bilong rinewabel eneji, eneji stoa bateri teknoloji i kamap na i kamap wanpela bikpela pos bilong eneji sekta. Ol 'energy storage battery' inap long putim gut ol 'intermittent energy sources' olsem win na sola pawa na lusim ol long taim we planti manmeri i laikim pawa, na dispela i mekim pawa saplai i stap gut. Dispela teknoloji i no daunim tasol dipens long ol tumbuna fosil fiul tasol tu i givim ol bikpela garanti long kamapim ol 'low-carbon na sastenebel eneji sistem.
Divelopmen bilong eneji stoa bateri teknoloji, stat long ol tradisenel lid-asid bateri i go long ol moden litiam-ion bateri, na bihain i go long ol nupela solid-stat bateri na sodium-ion bateri, i wok long brukim ol hevi bilong teknoloji. Long rot bilong kamapim gutpela eneji densiti, skruim laipspan, na strongim sefti, ol eneji stoa bateri i soim bikpela wok long ol eria olsem haus eneji stoa, trenspot, na grid regulesen. Yumi ken tok olsem eneji stoa bateri teknoloji em i no ki tasol long senis bilong eneji straksa nau tasol em i as bilong ol smat grid na distributed eneji sistem long bihain taim.
Lithium-teknoloji bilong putim pawa bilong bateri
▲Struksa na wok bilong ol 'lithium-ion' bateri
▲Ol samting bilong 'lithium-ion battery cathode'
▲Ol samting bilong 'lithium-ion battery anode'
▲Lithium-ion bateri electrolyte
▲Wok bilong wokim na wokim ol 'lithium-ion' bateri
Long 1970, MS Whittingham bilong ExxonMobil i wokim namba wan lithium-ion bateri. Em i yusim 'titanium disulfide' na 'metallic lithium' olsem ol 'positive' na 'negative' lektrod, wanwan. Taim ol i sasim na rausim, ol i save yusim na kamapim metalik litiam long 'negative electrode', na 'titanium disulfide' i save putim na rausim 'lithium ions' long 'positive electrode'. Dispela tupela proses i save senis long laipspan bilong bateri, olsem na ol i kamapim wanpela sekenderi litiam-ion bateri wantaim voltej bilong 2V. Long 1982, RR Agarwal na JR Selman bilong Illinois Institute of Technology i painimaut olsem ol litiam aion i gat pasin bilong tanim i go insait long 'graphite', na em i inap long go bek hariap... long stat, ol 'lithium-ion' bateri i bin go insait long wanpela proses bilong risets, divelopmen, na evolusen. Wantaim gutpela na gutpela wok bilong ol, ol i wok long go insait long ol kain kain wok, stat long ol 3C prodak olsem mobail fon na tablet i go inap long ol pawa eneji sekta olsem ol lektrik kar na ol bikpela-skel eneji stoa fil olsem fotovoltaik na win pawa, na dispela i mekim bikpela samting long sosel laip.
Bateri em i wanem samting?
▲Bateri Divelopmen Histri
▲Introdaksen long ol Lithium-ion Bateri
▲Ol samting bilong ol 'lithium-ion' bateri
▲Ol bikpela samting insait long ol 'lithium-ion' bateri
Bateri em i wanpela kain pawa sos. Ol pawa sos i save bruk i go long ol fisikel pawa sos na ol kemikel pawa sos. Ol pawa sos bilong bodi em ol masin bilong kamapim pawa long san, ol masin bilong kamapim pawa long hat, ol jenereta bilong hat na haidroelektrik, na ol narapela samting; taim ol kemikel pawa sos i makim ol pawa jeneresen divais we inap long senisim kemikel eneji i go long lektrikel eneji, em ol kemikel bateri long jeneral sens, o ol bateri tasol.
Ol bateri sistem i bin kamap long foapela jeneresen: ol lid-asid bateri, ol nikel-kadmiam bateri, ol nikel-metal haidrait bateri, na ol litiam-ion bateri. Pefomens bilong ol bateri i wok long kamap gutpela moa, na ol manmeri i save moa long ol bateri sistem. Nau yet, ol 'lithium-ion' bateri em ol bateri sistem we i save wok gut na i no yusim planti pawa, na dispela i makim nambawan wok painimaut na teknoloji bilong ol bateri bilong ol man.
Risets na Divelopmen Histri bilong Litiam Ain Fosfet Materiel
▲Divelopmen histri bilong ol samting bilong 'lithium iron phosphate'
▲Paten situesen bilong litiam ain fosfet
▲Struktural na pefomens stadi bilong ol litiam ain fosfet materiel
Litiam ain fosfet (LiFeP, LFP, ol i save kolim tu olsem litiam ain fosfet o litiam ain fosfet) em i wanpela katod samting we ol i save yusim long ol litiam-ion bateri. Em i no gat ol gutpela samting olsem 'cobalt' na 'nickel', prais bilong ol 'raw material' i no antap tumas, na i gat planti 'phosphorus', 'lithium', na ain insait long graun, we inap long inapim 'market demand' we i winim wan milien ton long wan wan yia. Olsem wanpela 'cathode material', 'lithium iron phosphate' i gat liklik 'operating voltage' (3.2V), bikpela 'specific capacity' (170mA·h/g), bikpela 'discharge power', 'fast charging capability', longpela 'cycle life', na gutpela stebiliti aninit long bikpela tempereja na bikpela hat envairomen.
Ol samting bilong wokim ol samting we ol i yusim long wokim ol samting bilong 'lithium iron phosphate'
▲Ol Samting Bilong Prodaksen:;Ol Samting Bilong Miksim;Ol Samting Bilong Draim;Ol Samting Bilong Sinterim,;Ol Samting Bilong Krusim; Ol samting bilong sekim; Nitrogen Jenereta; Ol samting bilong putim long ol samting.
Taim ol i yusim ol 'lithium iron phosphate' (LFP) 'cathode' samting long wokim ol 'lithium-ion' bateri, ol i mas strongim tru ol samting bilong klinim, 'phase', na ol doti bilong en. Olsem, taim 'oxidation degree' bilong 'divalent iron' insait long LFP i kamap long 1%, 'specific capacity' inap long go daun moa long 30%. Dispela i kamap bikos nupela 'trivalent iron' i karamapim pes bilong LFP, na kamapim wanpela 'reactive layer' we i stopim ol narapela 'internal reactions'. Sapos LFP i kisim oksidasen pinis, ol narapela rot bilong daunim i no inap long kamapim LFP bikos ol 'lithium ions' insait long 'raw material' i lus pinis.
Wok bilong redim ol samting bilong 'lithium iron phosphate' long rot bilong 'ferrous oxalate'
▲Synthesis prinsipel
▲Ol bikpela sintetik raw materiel
▲Sintesis proses
▲Pefomens bilong ol sintetik materiel
Wok bilong wokim 'lithium iron phosphate' wantaim 'ferrous oxalate' olsem wanpela 'raw material' ol i kolim 'ferrous oxalate' rot (o 'ferrous method' tasol). Nau yet, 'ferrous oxalate' rot em i nambawan rot na rot we planti manmeri i save yusim long Saina, na moa long hap bilong ol kampani insait long kantri i save yusim dispela rot. Ol bikpela gutpela samting bilong en em i no gat bikpela pe bilong ol 'raw material', em i isi long mekim wok, na em i isi long bosim ol 'ingridients ratios'.
Wok bilong redim ol samting bilong 'lithium iron phosphate' long rot bilong 'carbothermal reduction'
▲Synthesis prinsipel
▲Ol bikpela sintetik raw materiel
▲Sintesis proses
▲Pefomens bilong ol sintetik materiel
Namel long ol kampani we i save wokim ol samting bilong 'lithium iron phosphate' (LiFePO4), rot bilong daunim 'carbothermal' em i namba tu teknoloji we planti manmeri i save yusim bihain long 'ferrous oxalate' rot. Bikpela samting bilong en em 'ferric iron' (Fe2PO4), na tu 'iron phosphate' (Fe2PO4) na 'iron oxide' (Fe2O3). Long taim bilong riaksen, kabon (C) na kabon monoksait (C2O3) i save daunim 'ferric iron' (Fe2PO4) i go long 'ferrous iron' (Fe2+), we bihain i go insait long 'crystal lattice', na kamapim 'crystal structure' bilong 'lithium iron phosphate' (LiFePO4).
Gutpela samting bilong 'carbothermal reduction' rot em olsem ol i no nidim long tingim 'oxidation' bilong ol 'raw materials' taim ol i wok long prosesim; ol i ken yusim kain kain rot bilong miksim long prosesim ol 'raw materials' long kisim 'dispersion state' we ol i laikim. Long taim bilong bikpela hat tasol, kabon i save daunim 'ferric iron' i go long 'ferrous iron', na kamapim 'lithium iron phosphate', olsem na ol i kolim 'carbothermal reduction method'. Rot bilong daunim 'carbothermal' i save daunim wanpela step, daunim ges autput, na em i gutpela long kamapim gutpela kaikai. Long wankain taim, wok bilong wokim ol samting em i isi na isi long bosim, na dispela i mekim na planti kampani i wok long bihainim rot bilong daunim 'carbothermal'.
Wok bilong redim ol samting bilong 'lithium iron phosphate' long wara
▲Synthesis prinsipel
▲Ol bikpela sintetik raw materiel
▲Sintesis proses
▲Pefomens bilong ol sintetik materiel
Hydrothermal rot em i wanpela gutpela rot bilong redim ol samting bilong 'lithium iron phosphate cathode'. Bikpela wok bilong en i yusim wanpela 'supercritical hydrothermal system', we i save tanim 'ferrous sulfate', 'lithium hydroxide', na 'phosphoric acid' insait long wara, na hatim wara i go antap long 100 digri insait long wanpela ples we i pas gut na kamapim wanpela 'high-temperature', 'high-pressure aqueous solution. Dispela wok i kamap long rot bilong 'ion difusion', na i kamapim ol 'lithium iron phosphate crystal particles'. Ol i save klinim 'lithium iron phosphate' samting, draim, na putim 'carbon-koting long kamapim wanpela 'lithium iron phosphate/carbon composite'.
Olpela rot bilong testim na skelim ol samting bilong 'lithium iron phosphate'
▲Kemikel komposisen analisis na tes rot bilong litiam ain fosfet materiel
▲Ol rot bilong skelim ol samting bilong bodi bilong ol samting bilong litiam ain fosfet
▲Ol rot bilong skelim pefomens bilong ol samting bilong 'lithium iron phosphate'
▲Skelim ol wok bilong yusim ol samting bilong 'Lithium Iron Phosphate'
Long ol samting bilong 'lithium iron phosphate' (LFP), wok bilong testim em i wanpela bikpela teknoloji, na em i bikpela samting moa long wok bilong bosim wok bilong wokim ol samting. Sapos i no gat stretpela na stretpela tes data, ol i no inap kisim ol gutpela proses kondisen, na olsem, ol kwalifait LFP prodak we i inapim ol yus rikwaemen i no inap kamap. Gutpela tes bilong ol samting em i bikpela samting long olgeta wok bilong prodaksen, stat long kisim na wokim ol samting bilong wokim ol samting i go inap long taim bilong skelim ol samting i pinis. Olsem na, olgeta yunit we i wok long mekim risets na kamapim LFP i mas putim bikpela luksave long wokim tes sistem bilong en. Yusim ol gutpela masin bilong testim, ol strongpela rot bilong testim, na ol gutpela wokman bilong testim em ol bikpela samting bilong kampani long holim yet posisen bilong en insait long indastri.
Skelim ol narapela samting bilong ol samting bilong 'lithium iron phosphate'
▲Elektrokemikel pefomens analisis bilong litiam ain fosfet materiel
▲Elektron maikroskopik morfoloji analisis bilong litiam ain fosfet materiel
▲Eneji bilong litiam ain fosfet samting
▲Measmen bilong ain solubiliti insait long litiam ain fosfet materiel
▲Spektroskopik mak bilong ol samting bilong litiam ain fosfet
Long wok bilong ol 'lithium iron phosphate' materiel, antap long ol 'routine performance tests', em i bikpela samting tu long skelim sampela spesifik samting bilong givim wanpela refrens bilong skelim pefomens bilong ol samting na ol wok bilong wokim ol bateri. Wantaim wok bilong teknoloji, sampela samting we bipo ol i ken skelim tasol long ful sel nau ol i ken skelim long rot bilong ol isipela rot. Olsem, wok bilong ol 'lithium iron phosphate' samting, moa yet wok bilong 'carbon cycle', nau ol i ken skelim long yusim ol spesel koin sel we ol i wokim, na dispela i mekim wok bilong skelim i kamap isi tru.
Teknoloji bilong wokim ol bateri we ol i yusim ol samting bilong 'lithium iron phosphate'
▲Litiam ain fosfet bateri sistem disain spesifikasen
▲Litiam ain fosfet samting teknoloji bilong redim 'slurry'
▲Koting bilong litiam ain fosfet slari
▲Roling bilong ol 'lithium iron phosphate electrodes'
▲Transfomesen na Divisen
▲Ol narapela eksampel bilong wokim ol bateri
Long olgeta lithium-ion bateri, namba wan disain em i nambawan wok. Wok bilong disain i gat wok long painimaut wok bilong wokim 'lithium-ion' bateri. Long wanem, pefomens bilong bateri i save kamap long ol 'electrodes', disain bilong ol 'electrode' em i wanpela bikpela samting long wok bilong wokim bateri. Dispela i tru tu long ol 'lithium iron phosphate' bateri.
Ol bikpela ples bilong yusim ol 'lithium iron phosphate' bateri
▲Ol wok bilong ol 'lithium iron phosphate' bateri insait long ol samting bilong karim pawa
▲Ol wok bilong ol 'lithium iron phosphate' bateri long pawa saplai bilong putim pawa
▲Ol wok bilong yusim ol 'lithium iron phosphate' bateri insait long ol pawa tul
▲Ol wok bilong ol litiam ain fosfet bateri
Lithium iron phosphate (LFP) em i 'cathode material' bilong ol 'lithium-ion' bateri, na bikpela samting bilong en em i gutpela sefti bilong en. Em i gat ol gutpela samting tu we ol 'lithium manganese oxide' na 'nickel{2}}manganese-cobalt ternary materiel i no gat, olsem longpela taim bilong wok, liklik pe bilong ol samting, na planti ol samting bilong wokim ol samting. Ol LFP bateri i gat stebol voltej, moderet opereting voltej, gutpela wok wantaim ol 'electrolyte' sistem, ol i no gat marasin nogut, ol i no gat 'memory effect', na ol i no save bagarapim envairomen. Spesifik eneji bilong ol inap long kamap 100-130 Wh/kg, we em i 0.3-5 taims bilong ol lid-asid bateri na 1.5 taims bilong ol nikel-metal haidraid bateri. Long wanem i gat planti gutpela samting bilong en, ol i ting em i gutpela bateri bilong ol kar i save ron long pawa, win na sola pawa bilong putim, na ol seif bek-ap bateri bilong yusim long haus.
Lukluk long ol narapela 'Catode' samting bilong wokim ol 'Lithium-ion' bateri
▲Lithium vanadium phosphate cathode material -
▲Lithium manganese phosphate cathode material
▲Litiam ain siliket katod samting
▲Lithium iron borate cathode material
▲Lithium-rich layered cathode materials
Taim ol i kamapim ol samting bilong 'lithium iron phosphate' (LFP) dispela i kamapim as bilong ol samting bilong saiens bilong yusim ol bikpela 'lithium-ion bateri' long planti hap.
Olsem yumi save pinis, sefti bilong ol lithium-ion bateri i bin stap olsem wanpela bikpela na bikpela samting we i save pasim divelopmen bilong indastri. Maski long ol divelop kantri we i gat ol gutpela samting na ol gutpela masin bilong prosesim ol samting, sefti bilong ol 'lithium-ion' bateri i no inap long kamap gutpela. Long wanem nau i no gat planti 'lithium-ion' bateri prosesing insait long kantri bilong mi, LFP i stret long kantri bilong mi, na dispela i mekim sefti bilong bateri i kamap gutpela moa.