氫能是現代能源體系的重要組成部分,將深刻影響中國能源應用的前景。氫儲能是解決可再生能源消納和緩解峰谷電差的有效方式之一,通過電轉氫技術可以實現規模化、長期、廣域的儲能。氫儲能或將成為未來重大創新技術,可有效彌補電能存儲性能差的短板,有力支撐高比例可再生能源發展,有助于優化能源結構,提升能源系統整體效率,促進能源革命。
氫儲能概述
目前氫(qing)(qing)(qing)(qing)氣制取主要有以下三種(zhong)較(jiao)為(wei)成熟的(de)(de)(de)技術路(lu)線:一(yi)是(shi)化(hua)石(shi)燃料制氫(qing)(qing)(qing)(qing);二是(shi)工業副(fu)產(chan)氫(qing)(qing)(qing)(qing)尾氣提(ti)純制氫(qing)(qing)(qing)(qing);三是(shi)電(dian)解水制氫(qing)(qing)(qing)(qing)。化(hua)石(shi)能(neng)源和副(fu)產(chan)氫(qing)(qing)(qing)(qing)提(ti)純制取的(de)(de)(de)氫(qing)(qing)(qing)(qing)氣本質(zhi)(zhi)來源都是(shi)含碳(tan)(tan)化(hua)石(shi)原料,無法擺脫碳(tan)(tan)排放問(wen)題;并且這兩種(zhong)技術路(lu)線都是(shi)從一(yi)種(zhong)易儲存(cun)(cun)的(de)(de)(de)能(neng)量物質(zhi)(zhi),轉換成另一(yi)種(zhong)可存(cun)(cun)儲的(de)(de)(de)能(neng)量物質(zhi)(zhi),不適用于(yu)氫(qing)(qing)(qing)(qing)儲能(neng),也不利于(yu)降低(di)排放。而通過(guo)可再生能(neng)源電(dian)解水制氫(qing)(qing)(qing)(qing),可實現(xian)電(dian)-氫(qing)(qing)(qing)(qing)綠色轉換,將不易儲存(cun)(cun)的(de)(de)(de)電(dian)能(neng)轉換為(wei)氫(qing)(qing)(qing)(qing)能(neng)存(cun)(cun)儲起(qi)來,實現(xian)能(neng)源轉換和存(cun)(cun)儲。
儲能發展的必要性
國家能源(yuan)(yuan)局統(tong)(tong)計(ji)結果顯示,2019年(nian)(nian)底,可(ke)再生(sheng)能源(yuan)(yuan)發電(dian)(dian)(dian)(dian)裝機達到7.94億(yi)(yi)(yi)kW,占(zhan)比39.5%;2019年(nian)(nian)可(ke)再生(sheng)能源(yuan)(yuan)發電(dian)(dian)(dian)(dian)量(liang)(liang)達2.04萬(wan)億(yi)(yi)(yi)kWh,占(zhan)比27.9%。可(ke)再生(sheng)能源(yuan)(yuan)快速發展(zhan)(zhan)的同時也帶來了大(da)量(liang)(liang)的問題,水力發電(dian)(dian)(dian)(dian)的季節(jie)性(xing)、風(feng)光發電(dian)(dian)(dian)(dian)的波動(dong)性(xing)和(he)不(bu)確定性(xing),對(dui)電(dian)(dian)(dian)(dian)力系(xi)統(tong)(tong)資(zi)源(yuan)(yuan)配置(zhi)、安(an)全穩定運行提出了更高要(yao)求。2019年(nian)(nian)全年(nian)(nian)主要(yao)流域棄水電(dian)(dian)(dian)(dian)量(liang)(liang)300億(yi)(yi)(yi)kWh、棄風(feng)電(dian)(dian)(dian)(dian)量(liang)(liang)169億(yi)(yi)(yi)kWh,棄風(feng)率4%;棄光電(dian)(dian)(dian)(dian)量(liang)(liang)46億(yi)(yi)(yi)kWh,棄光率2%。發展(zhan)(zhan)切實有效(xiao)的大(da)規模儲能技術(shu),對(dui)消納棄電(dian)(dian)(dian)(dian)、保障電(dian)(dian)(dian)(dian)力系(xi)統(tong)(tong)穩定具有重要(yao)意(yi)義(yi)。
儲能的種類和特點
下(xia)表給出了幾種儲(chu)能方式的綜合比較(jiao):
(注:*表示電站通常設計使用壽命;**堿性電解設備壽命15年,燃料電池發電受制于現階段的技術成熟度,壽命約6年,綜合取10年。)
目前較(jiao)為成(cheng)熟(shu)的(de)(de)(de)儲(chu)(chu)(chu)(chu)能(neng)(neng)方式主要有抽(chou)(chou)水蓄能(neng)(neng)和電(dian)化(hua)學(xue)儲(chu)(chu)(chu)(chu)能(neng)(neng)兩大(da)類(lei)。抽(chou)(chou)水蓄能(neng)(neng)電(dian)站需(xu)要具有發(fa)達的(de)(de)(de)水系和優良的(de)(de)(de)地質條件,并(bing)且(qie)建設周(zhou)期長;電(dian)化(hua)學(xue)儲(chu)(chu)(chu)(chu)能(neng)(neng)近些年(nian)發(fa)展迅(xun)速,但(dan)由于成(cheng)本較(jiao)高,電(dian)池壽命只有五年(nian)左右,并(bing)且(qie)廢舊電(dian)池處理面(mian)臨諸多(duo)環保問題,目前在容量(liang)需(xu)求小(xiao)的(de)(de)(de)調頻率(lv)(lv)儲(chu)(chu)(chu)(chu)能(neng)(neng)應用(yong)(yong)較(jiao)多(duo),大(da)規模(mo)調峰儲(chu)(chu)(chu)(chu)能(neng)(neng)應用(yong)(yong)不(bu)具有經濟可(ke)行性。其(qi)他方式的(de)(de)(de)儲(chu)(chu)(chu)(chu)能(neng)(neng)包(bao)括壓縮空氣儲(chu)(chu)(chu)(chu)能(neng)(neng)、電(dian)磁(ci)儲(chu)(chu)(chu)(chu)能(neng)(neng)(超(chao)級電(dian)容器、超(chao)導儲(chu)(chu)(chu)(chu)能(neng)(neng))和熱儲(chu)(chu)(chu)(chu)能(neng)(neng)等,受制于技術成(cheng)熟(shu)度、成(cheng)本、效率(lv)(lv)等方面(mian)因(yin)素影(ying)響,目前難以(yi)做到大(da)規模(mo)商(shang)業化(hua)應用(yong)(yong)。
氫儲能優缺點
氫(qing)(qing)(qing)儲能技術是利用(yong)電力和氫(qing)(qing)(qing)能的互(hu)變(bian)性而發(fa)(fa)展起來的。利用(yong)電解制(zhi)氫(qing)(qing)(qing),將間歇波動、富余電能轉化為氫(qing)(qing)(qing)能儲存起來;在電力輸出不(bu)足時(shi),利用(yong)氫(qing)(qing)(qing)氣通過燃(ran)料電池或其他發(fa)(fa)電裝置發(fa)(fa)電回饋至電網(wang)系統。電解水制(zhi)氫(qing)(qing)(qing)技術成熟,工藝簡單,清潔環(huan)保,制(zhi)取的氫(qing)(qing)(qing)氣和氧氣純(chun)度高,而且設備單機容量大,市(shi)場成熟產品可做到5 MW/臺,制(zhi)氫(qing)(qing)(qing)量1000 Nm3/h,可大規(gui)模使用(yong)。
氫(qing)儲(chu)能目前存(cun)在(zai)(zai)的問題是(shi)效(xiao)率較低、造(zao)(zao)價高。電(dian)(dian)(dian)(dian)(dian)解水制氫(qing)效(xiao)率達(da)65%~75%,燃(ran)料(liao)(liao)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)發(fa)電(dian)(dian)(dian)(dian)(dian)效(xiao)率為50%~60%,單(dan)過(guo)程轉換(huan)(huan)效(xiao)率相對(dui)較高,但電(dian)(dian)(dian)(dian)(dian)-氫(qing)-電(dian)(dian)(dian)(dian)(dian)過(guo)程存(cun)在(zai)(zai)兩(liang)次能量轉換(huan)(huan),整體效(xiao)率較低。制氫(qing)設備的單(dan)位造(zao)(zao)價約2000元(yuan)/kW,儲(chu)氫(qing)和(he)輔助(zhu)系統(tong)造(zao)(zao)價為2000元(yuan)/kW,燃(ran)料(liao)(liao)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)發(fa)電(dian)(dian)(dian)(dian)(dian)系統(tong)造(zao)(zao)價約9000元(yuan)/kW,燃(ran)料(liao)(liao)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的投資占到氫(qing)儲(chu)能系統(tong)總投資的接(jie)近70%;且現階段規(gui)模化燃(ran)料(liao)(liao)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)發(fa)電(dian)(dian)(dian)(dian)(dian)系統(tong)應用較少,技(ji)術成熟度、系統(tong)壽命有(you)待驗證(zheng)。
廣義氫儲能
傳(chuan)統意義的氫(qing)(qing)(qing)(qing)儲(chu)能(neng)(neng)是(shi)電(dian)(dian)-氫(qing)(qing)(qing)(qing)-電(dian)(dian)的轉(zhuan)(zhuan)換,前文已(yi)論述存在效(xiao)率低、價格高(gao)的問(wen)(wen)題(ti)。效(xiao)率主要(yao)問(wen)(wen)題(ti)是(shi)兩次能(neng)(neng)量轉(zhuan)(zhuan)換,整體效(xiao)率低;價格主要(yao)問(wen)(wen)題(ti)是(shi)燃料電(dian)(dian)池(chi)(chi)(chi)投資占比高(gao)。相較(jiao)于傳(chuan)統儲(chu)能(neng)(neng),廣義氫(qing)(qing)(qing)(qing)儲(chu)能(neng)(neng)強調電(dian)(dian)-氫(qing)(qing)(qing)(qing)單向轉(zhuan)(zhuan)換,由(you)于廣義氫(qing)(qing)(qing)(qing)儲(chu)能(neng)(neng)系統效(xiao)率高(gao)和(he)(he)成(cheng)本(ben)低,上游與(yu)可再(zai)生能(neng)(neng)源(yuan)發電(dian)(dian)結合,下游瞄準高(gao)純氫(qing)(qing)(qing)(qing)市場需求,具有廣闊(kuo)的應(ying)用(yong)場景,受(shou)到國內外學術界、產業(ye)界的廣泛關注和(he)(he)研(yan)究。電(dian)(dian)解制氫(qing)(qing)(qing)(qing)將難以儲(chu)存的電(dian)(dian)能(neng)(neng)轉(zhuan)(zhuan)化為可存儲(chu)的氫(qing)(qing)(qing)(qing)氣(qi),氫(qing)(qing)(qing)(qing)作為能(neng)(neng)源(yuan)和(he)(he)原(yuan)(yuan)料,供氫(qing)(qing)(qing)(qing)燃料電(dian)(dian)池(chi)(chi)(chi)交通、燃料電(dian)(dian)池(chi)(chi)(chi)應(ying)急備用(yong)電(dian)(dian)源(yuan)、天然氣(qi)摻(chan)氫(qing)(qing)(qing)(qing)燃料、化工原(yuan)(yuan)料、工業(ye)還(huan)原(yuan)(yuan)保(bao)護氣(qi)體等場景使用(yong)。
氫儲能調峰站
中國三北地(di)區(qu)風光資(zi)源(yuan)(yuan)(yuan)豐富(fu)(fu),西(xi)南部水資(zi)源(yuan)(yuan)(yuan)豐富(fu)(fu)。但是由于我國的經濟(ji)發(fa)(fa)展(zhan)存(cun)在(zai)地(di)域(yu)間的較(jiao)大差異,西(xi)部地(di)區(qu)的經濟(ji)發(fa)(fa)展(zhan)程度相對較(jiao)為落后(hou),可(ke)再(zai)生(sheng)能源(yuan)(yuan)(yuan)在(zai)中西(xi)部地(di)區(qu)難(nan)以(yi)就地(di)消(xiao)納;另外(wai),可(ke)再(zai)生(sheng)能源(yuan)(yuan)(yuan)具有季(ji)節(jie)性(xing)、波動性(xing)特(te)點,使其無法(fa)在(zai)市場中準確申報(bao)電量,造(zao)成了可(ke)再(zai)生(sheng)能源(yuan)(yuan)(yuan)一定程度上的棄電浪費。電網(wang)系統為應對大規模可(ke)再(zai)生(sheng)能源(yuan)(yuan)(yuan)上網(wang),保障(zhang)配套投(tou)資(zi)增(zeng)加(jia),火(huo)電、燃機深度調峰(feng),無法(fa)高效最優(you)運行,以(yi)至排放增(zeng)加(jia)。
在(zai)可再生資源豐富地區就近建設大規模電解水制氫站,消納清(qing)潔能源,減緩風光發電間歇(xie)波動(dong),對(dui)電網穩壓性(xing)的影響是廣義氫儲能的一種應用方式。
氫儲能調峰站系統
據(ju)國家能源(yuan)局統(tong)計,2017年我國大部分特高壓(ya)工(gong)程(cheng)利用小時(shi)數不(bu)足5000 h,部分工(gong)程(cheng)投運后最大輸電(dian)(dian)(dian)功率未達到預期;谷電(dian)(dian)(dian)時(shi)段電(dian)(dian)(dian)網通道負荷率更(geng)低(di),而此時(shi)段正是風(feng)資(zi)源(yuan)發(fa)電(dian)(dian)(dian)量高峰時(shi)段。2020年8月,國家發(fa)展和改革委員(yuan)會、國家能源(yuan)局聯合發(fa)布《關(guan)于(yu)開展“風(feng)光水(shui)火儲(chu)一體化”“源(yuan)網荷儲(chu)一體化”的(de)指導(dao)意見(征求(qiu)意見稿)》,提出要(yao)提高輸電(dian)(dian)(dian)通道利用效率、電(dian)(dian)(dian)力(li)需(xu)求(qiu)響應能力(li),挖掘(jue)新(xin)能源(yuan)消納能力(li)。
我(wo)國具有強大、完善、覆蓋面廣的(de)電(dian)(dian)(dian)力(li)輸(shu)送(song)(song)(song)系(xi)統,發揮我(wo)國電(dian)(dian)(dian)網基建優(you)勢,谷電(dian)(dian)(dian)時間(jian)段(duan)通(tong)過“西電(dian)(dian)(dian)東(dong)送(song)(song)(song)”“北(bei)電(dian)(dian)(dian)南送(song)(song)(song)”特高(gao)壓通(tong)道,將三北(bei)地(di)區的(de)清潔(jie)能(neng)源輸(shu)送(song)(song)(song)到高(gao)純氫(qing)(qing)市場需求端電(dian)(dian)(dian)解(jie)制氫(qing)(qing)儲能(neng),變氫(qing)(qing)能(neng)輸(shu)送(song)(song)(song)為電(dian)(dian)(dian)能(neng)輸(shu)送(song)(song)(song),解(jie)決可再生能(neng)源消納和氫(qing)(qing)儲運(yun)面臨的(de)技(ji)術、成(cheng)本、安全(quan)等(deng)難(nan)題(ti)。當前國家電(dian)(dian)(dian)投正(zheng)依托烏蘭察布(bu)風電(dian)(dian)(dian)基地(di)項目,實(shi)施(shi)“蒙電(dian)(dian)(dian)進京、谷電(dian)(dian)(dian)制氫(qing)(qing)、用(yong)氫(qing)(qing)示(shi)范(fan)”,為京津冀地(di)區氫(qing)(qing)能(neng)交通(tong)示(shi)范(fan)運(yun)用(yong),提供(gong)可再生能(neng)源的(de)氫(qing)(qing)氣保障。
氫儲能調峰站典型設計方案
東部經(jing)(jing)濟(ji)發達(da)地(di)區用電(dian)(dian)(dian)(dian)負荷量大,峰(feng)谷(gu)電(dian)(dian)(dian)(dian)差也大。以某沿海城市(shi)為例(li),日(ri)均用電(dian)(dian)(dian)(dian)負荷功率13500 MW,峰(feng)谷(gu)電(dian)(dian)(dian)(dian)差達(da)4000 MW,調峰(feng)問(wen)題日(ri)益突出。利用氫(qing)(qing)的儲(chu)能(neng)特性和(he)電(dian)(dian)(dian)(dian)-氫(qing)(qing)靈活(huo)轉化關(guan)系,發揮(hui)氫(qing)(qing)儲(chu)能(neng)在電(dian)(dian)(dian)(dian)網中“填谷(gu)”作用。谷(gu)電(dian)(dian)(dian)(dian)時段,電(dian)(dian)(dian)(dian)網將可(ke)再生能(neng)源(yuan)電(dian)(dian)(dian)(dian)能(neng)輸(shu)送到高純氫(qing)(qing)需求端,通(tong)過電(dian)(dian)(dian)(dian)解水(shui)制氫(qing)(qing)儲(chu)能(neng),供燃料電(dian)(dian)(dian)(dian)池交通(tong)和(he)電(dian)(dian)(dian)(dian)子等行業使用,提高可(ke)再生能(neng)源(yuan)消納(na)和(he)輸(shu)電(dian)(dian)(dian)(dian)通(tong)道利用率。電(dian)(dian)(dian)(dian)解制氫(qing)(qing)的副產氧純度在98.5%以上,主(zhu)要雜質為H2O和(he)H2,提純成本低,經(jing)(jing)濟(ji)價(jia)值高。
在峰(feng)電時段,由(you)于氫(qing)燃(ran)料電池發(fa)(fa)電成本較高,可以采(cai)用天然(ran)氣摻(chan)氫(qing)富氫(qing)燃(ran)機發(fa)(fa)電向(xiang)電網送電。富氫(qing)燃(ran)機具有以下(xia)優點:
造(zao)價(jia)約(yue)3000元/kW,遠低于燃料電池(chi);
可利用城市天(tian)然氣管網提供燃料;
天(tian)然(ran)氣摻氫20%,可(ke)提高燃燒效率,降低碳(tan)排(pai)放和污染物排(pai)放;
摻氫比例(li)可根據需求在(zai)0~20%之間(jian)調節;
可熱電聯供(gong),提高綜合效率。日本川崎、三菱、西(xi)門子等(deng)公司在天然氣(qi)摻氫(qing)(qing)、純(chun)氫(qing)(qing)燃氣(qi)輪機方面,都(dou)具(ju)有相應的成功應用(yong)示范。
氫儲能調峰站配套(tao)質子膜氫燃(ran)料電(dian)池(chi)(PEMFC)發(fa)電(dian)作為應急備用電(dian)源,替代傳統的柴(chai)(chai)油發(fa)電(dian)機(ji)備電(dian)。PEMFC燃(ran)料電(dian)池(chi)利用儲存的氫氣發(fa)電(dian),相比柴(chai)(chai)油發(fa)電(dian)具有運行安(an)靜、零排(pai)放(fang)、燃(ran)料成(cheng)本(ben)(ben)(ben)低(di)(PEMFC度電(dian)成(cheng)本(ben)(ben)(ben)1元(yuan),柴(chai)(chai)油發(fa)電(dian)度電(dian)成(cheng)本(ben)(ben)(ben)2元(yuan))等優點。
氫儲能調峰站潛在挑戰
用地性質制約
雖然(ran)2020年3月修(xiu)訂的《能源法》將氫氣作為能源一(yi)詞列入諸種能源之一(yi),但仍未改(gai)變其危化品管(guan)控屬(shu)性(xing),規模化制氫站(zhan)須(xu)入在化工園(yuan)區,這限制了氫儲能調峰站(zhan)的選(xuan)(xuan)址,尤(you)其在電(dian)、氫負荷中心的東部經濟發達城(cheng)市選(xuan)(xuan)址更加困難。
制氫設備技術成熟度
電解水制氫技(ji)術根(gen)據電解質(zhi)不同,主要可分為堿性(ALK)、質(zhi)子(zi)交(jiao)換膜(PEM)、固體(ti)氧化物(wu)(SOEC)電解三大(da)類,SOEC電解可以利用外供熱源效率最高,PEM和ALK次之。
電解水制氫設備技術參數表
其中堿(jian)性電解技術成(cheng)熟、成(cheng)本低,是(shi)(shi)國內商業化應(ying)用(yong)的主流產(chan)品;但是(shi)(shi)其動態響應(ying)速度(du)慢(man),在(zai)需(xu)要頻繁啟停、變負荷運行的氫儲能調峰站(zhan)(zhan)中應(ying)用(yong)有較大弊(bi)端。PEM制氫動態響應(ying)速度(du)快、抗電源負荷波動性強,適合在(zai)氫儲能調峰站(zhan)(zhan)使用(yong);但目(mu)前國內PEM制氫設備技術成(cheng)熟待工(gong)程(cheng)化應(ying)用(yong)驗(yan)證(zheng),其高昂的價格限制了大規模工(gong)程(cheng)化推廣。
產(chan)業下(xia)游高純氫市場消納風險
電(dian)(dian)解制取(qu)的(de)(de)高純(chun)氫(qing)(qing)(qing),理想的(de)(de)市場(chang)(chang)(chang)消(xiao)納方式(shi)是高純(chun)電(dian)(dian)子(zi)(zi)氫(qing)(qing)(qing)和(he)能(neng)(neng)源氫(qing)(qing)(qing),高純(chun)電(dian)(dian)子(zi)(zi)氫(qing)(qing)(qing)市場(chang)(chang)(chang)需(xu)求相對穩定(ding),未來(lai)市場(chang)(chang)(chang)增(zeng)長(chang)點集中于能(neng)(neng)源氫(qing)(qing)(qing)在氫(qing)(qing)(qing)燃(ran)(ran)料(liao)(liao)(liao)電(dian)(dian)池(chi)領域的(de)(de)應用。2018年(nian)至(zhi)今,全國(guo)諸多省、市紛紛出(chu)臺(tai)氫(qing)(qing)(qing)能(neng)(neng)和(he)燃(ran)(ran)料(liao)(liao)(liao)電(dian)(dian)池(chi)發展規劃(hua)和(he)激(ji)勵(li)政策,中國(guo)氫(qing)(qing)(qing)能(neng)(neng)聯盟2019年(nian)發布的(de)(de)《中國(guo)氫(qing)(qing)(qing)能(neng)(neng)源及燃(ran)(ran)料(liao)(liao)(liao)電(dian)(dian)池(chi)產業白皮書》預(yu)測(ce),到2025年(nian)我國(guo)加(jia)(jia)氫(qing)(qing)(qing)站(zhan)將達200座,按照(zhao)每座加(jia)(jia)氫(qing)(qing)(qing)站(zhan)800 kg/d的(de)(de)加(jia)(jia)氫(qing)(qing)(qing)量(liang),交通領域年(nian)氫(qing)(qing)(qing)氣需(xu)求5.84萬(wan)t,可以消(xiao)納50個20 MW氫(qing)(qing)(qing)儲能(neng)(neng)調峰站(zhan)氫(qing)(qing)(qing)氣量(liang)。據目(mu)前技術和(he)市場(chang)(chang)(chang)分析(xi),氫(qing)(qing)(qing)能(neng)(neng)源交通的(de)(de)普及仍然有(you)著巨大的(de)(de)困難(nan):氫(qing)(qing)(qing)燃(ran)(ran)料(liao)(liao)(liao)電(dian)(dian)池(chi)汽車的(de)(de)技術成(cheng)熟度和(he)使用壽命有(you)待應用驗證(zheng);在政府補貼逐漸退去的(de)(de)情(qing)況下,燃(ran)(ran)料(liao)(liao)(liao)電(dian)(dian)池(chi)車成(cheng)本能(neng)(neng)否低至(zhi)與燃(ran)(ran)油車、電(dian)(dian)動車競(jing)爭,有(you)待市場(chang)(chang)(chang)檢驗。能(neng)(neng)源氫(qing)(qing)(qing)終端應用市場(chang)(chang)(chang)的(de)(de)增(zeng)長(chang)仍有(you)一定(ding)的(de)(de)不確定(ding)性。
結論和建議
氫(qing)(qing)儲(chu)能是支撐高(gao)比例可再(zai)生能源(yuan)發展有(you)效方式(shi)之一(yi)。傳統電(dian)(dian)(dian)-氫(qing)(qing)-電(dian)(dian)(dian)的儲(chu)能方式(shi)綜合效率低、造(zao)價高(gao),現(xian)階段不具備經濟適用性。借助我國跨區域特高(gao)壓輸電(dian)(dian)(dian)通(tong)道優勢,將可再(zai)生資(zi)源(yuan)豐富(fu)地(di)區的電(dian)(dian)(dian)能輸送到高(gao)純(chun)氫(qing)(qing)負(fu)荷中(zhong)心,建設氫(qing)(qing)儲(chu)能調峰(feng)站(zhan),谷電(dian)(dian)(dian)時(shi)段制氫(qing)(qing)儲(chu)能(P2H),峰(feng)電(dian)(dian)(dian)時(shi)段天然氣摻(chan)氫(qing)(qing)富(fu)氫(qing)(qing)燃機(ji)發電(dian)(dian)(dian)回(hui)饋(kui)電(dian)(dian)(dian)網(wang),可以實(shi)現(xian)可再(zai)生能源(yuan)消納,提高(gao)輸電(dian)(dian)(dian)通(tong)道利(li)用率,緩解東(dong)部城市峰(feng)谷電(dian)(dian)(dian)差大的問題,解決氫(qing)(qing)氣遠距離運輸成本、安(an)全等難題。
針(zhen)對氫儲(chu)能調(diao)峰站發展面臨的(de)挑戰,建議(yi)如下(xia):
開展用戶端制氫(qing)試(shi)點探索(suo)
河北(bei)省為發展氫(qing)(qing)能(neng)(neng)(neng)產業,支持可(ke)再生(sheng)能(neng)(neng)(neng)源綠色制(zhi)(zhi)氫(qing)(qing)和(he)風(feng)光可(ke)再生(sheng)能(neng)(neng)(neng)源消納(na),率先發布風(feng)力發電配套(tao)制(zhi)(zhi)氫(qing)(qing)項(xiang)目可(ke)不進(jin)化工園(yuan)區。建議在(zai)認真(zhen)做好技術評估、滿(man)足安全要(yao)求的(de)前提(ti)下,有(you)序(xu)推進(jin)非化工園(yuan)區制(zhi)(zhi)氫(qing)(qing)試點探索,開展用戶端制(zhi)(zhi)氫(qing)(qing)的(de)示范(fan),參照天然氣(qi)管理方(fang)式,在(zai)以能(neng)(neng)(neng)源方(fang)式利用時,將氫(qing)(qing)氣(qi)納(na)入能(neng)(neng)(neng)源管理范(fan)疇。
發揮電網企業的作用
氫(qing)能和電(dian)(dian)(dian)能同屬于清潔的二(er)次能源(yuan)(yuan),充分發(fa)揮電(dian)(dian)(dian)網企(qi)業(ye)在二(er)次能源(yuan)(yuan)領(ling)域(yu)的調度經(jing)驗(yan),實現氫(qing)電(dian)(dian)(dian)之間深度耦合互補,提高能源(yuan)(yuan)綜合利用(yong)效率。具(ju)體而言,建議電(dian)(dian)(dian)網企(qi)業(ye)在電(dian)(dian)(dian)網輸送(song)通(tong)道利用(yong)率低的谷電(dian)(dian)(dian)時段,降(jiang)低清潔能源(yuan)(yuan)跨區域(yu)輸送(song)過網費;對以削峰(feng)填谷為目的的氫(qing)儲(chu)能調峰(feng)站,建議減免(mian)容量(liang)費。
試點(dian)探索(suo)多元化商業模式(shi)
建議政府層面的氫(qing)能(neng)產業政策(ce)從(cong)燃料電(dian)池交通、加氫(qing)站向(xiang)氫(qing)氣清潔(jie)高效制取(qu)、氫(qing)能(neng)在能(neng)源體(ti)系(xi)中(zhong)的耦合(he)利用等(deng)“大氫(qing)能(neng)”產業擴(kuo)展(zhan)延伸。加快對新領域試點項(xiang)目的論(lun)證和規范(fan)審批流(liu)程,促(cu)(cu)進(jin)示(shi)范(fan)落地;通過規劃政策(ce)引領,消(xiao)除能(neng)源行業間壁壘,促(cu)(cu)進(jin)能(neng)源產業融合(he),構建清潔(jie)低碳、安全高效的現代(dai)能(neng)源體(ti)系(xi)。