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Sodium?battery?is?a?kind?of?secondary?battery?(rechargeable?battery),?which?mainly?depends?on?the?movement?of?sodium?ions?between?the?positive?and?negative?electrodes,?which?is?similar?to?the?working?principle?of?lithium?battery.

Compared?with?other?secondary?batteries,?sodium?battery?has?obvious?advantages?in?cost,?safety,?rate?performance?and?charging?time,?and?has?stronger?comprehensive?cost?performance:?1)?the?BOM?cost?of?sodium?battery?is?30%?-?40%?lower?than?that?of?lithium?iron?phosphate?battery;?2)?The?internal?resistance?of?sodium?battery?is?higher?than?that?of?lithium?battery.?In?the?case?of?short?circuit,?the?instantaneous?heating?capacity?is?less,?and?the?temperature?of?thermal?runaway?is?higher?than?that?of?lithium?battery,?which?has?higher?safety;?3)?Sodium?battery?has?good?rate?performance?and?can?adapt?to?responsive?energy?storage?and?large-scale?power?supply;?4)?In?terms?of?fast?charging?capacity,?the?charging?time?of?sodium?battery?only?takes?about?10?minutes,?while?that?of?lithium?iron?phosphate?battery?takes?more?than?45?minutes.

However,?sodium?battery?products?also?have?some?disadvantages?in?terms?of?energy?density?and?cycle?life:?1)?in?terms?of?energy?density,?at?present,?the?energy?density?of?sodium?battery?cell?is?between?100-160wh?/?kg,?which?is?weaker?than?lithium?battery?but?stronger?than?lead-acid?battery;?2)?In?terms?of?cycle?life,?sodium?battery?can?realize?cycle?charge?and?discharge?for?about?3000?times,?which?can?only?reach?about?half?of?the?cycle?life?of?lithium?iron?phosphate?battery.

According?to?the?"sodium?battery?Market?Research?Report"?released?by?CMRC?Zhongyan?Century?Consulting,?under?the?condition?of?the?shortage?of?lithium?resources?and?the?gradual?rise?of?lithium?battery?manufacturing?cost,?sodium?battery,?as?one?of?the?important?technical?routes?of?secondary?battery,?its?production?process?and?technical?development?have?been?relatively?mature.?At?the?same?time,?with?its?resource?and?cost?advantages,?sodium?batteries?are?expected?to?take?the?lead?in?replacing?lithium?iron?phosphate?batteries?and?lead-acid?batteries?in?areas?such?as?energy?storage?and?low-speed?electric?vehicles?with?low?requirements?for?energy?density?and?strong?cost?sensitivity?in?the?future,?and?there?is?also?sufficient?downstream?demand.?According?to?the?development?experience?of?lithium?iron?phosphate?battery?industry,?it?is?expected?that?by?2025,?the?market?penetration?rate?of?sodium?battery?in?the?field?of?energy?storage?and?low-speed?vehicles?will?reach?about?15%,?and?the?permeable?market?scale?is?expected?to?reach?12.24?billion?yuan,?with?broad?potential?market?prospects?in?the?future.

With?the?research?of?sodium?battery?technology?becoming?more?and?more?mature,?and?the?layout?of?leading?enterprises?represented?by?zhongkehai?sodium?and?Ningde?era,?it?will?promote?the?rapid?establishment?of?sodium?battery?industry?chain?ecology?and?increasingly?fierce?market?competition.?It?is?expected?that?the?large-scale?industrialization?of?sodium?battery?will?also?be?faster?and?faster(source:?Zhongyan?Century?Market?Research?Co.,?Ltd.?the?opinions?in?this?article?are?for?reference?only?and?are?not?used?as?investment?suggestions!)