Ububiko bw’amabateri y’inguvu zishobora gusubirwamwo bufata amashanyarazi akomoka ku bikoresho nk’izuba n’umuyaga, bukayabika mu bikoresho vy’amabateri bishobora gusubirwamwo, maze bukayarekura iyo bikenewe. Ivyo bishika biciye ku nzira z’ubuhinga bw’umuyagankuba zihindura inguvu z’umuyagankuba zikaba inguvu z’ubuhinga bw’umuyagankuba mu gihe c’ugushaja, hanyuma zigahindura iyo nzira mu gihe c’ugusohora. Iryo koraniro ritorera umuti ingorane nyamukuru y’inguvu zishobora gusubirwamwo: guhuza amashanyarazi akoreshwa mu bihe bimwe bimwe n’amashanyarazi aguma asabwa.
Uburyo nyamukuru: Gushaja no gukuraho
Ububiko bwa bateri bw’inguvu zishobora gusubirwamwo bukora ku nzira y’uguhindura inguvu. Iyo amatara y’izuba canke amatara y’umuyaga atanga umuyagankuba mwinshi kuruta uwo ukeneye, uwo muyagankuba usigaye uca uja mu bikoresho vy’amabateri. Imbere muri iyo bateri, izo nguvu z’umuyagankuba zirahinduka zikaba inguvu z’imiti, izo nguvu zikazibika gushika zikenewe.
Ivyo gushaja birimwo iyoni za litiyumu ziva ku cathode (electrode nziza) zija ku anode (electrode mbi) biciye mu nzira y’umuyagankuba. Igipande gitandukanya amashanyarazi kiri hagati y’ivyo bikoresho, kikabuza amashanyarazi guca mu nzira ngufi mu gihe kireka iyoni zigenda. Muri ico gihe, ubuhinga bwo gucunga amabateri buragenzura umuriro, umuriro n’ubushuhe kugira ngo ntibibe birengeje urugero.
Iyo ingufu zikenewe zirenze inguvu zishobora gusubirwamwo-nk'ijoro iyo amatara y'izuba adakora-ivyo bica bihinduka. Ivyo bita litiyumu bisubira inyuma biva kuri anode bikaja kuri cathode, bikarekura ama electrons atuma haba umuyagankuba. Uwo muyagankuba uca mu gikoresho gihindura umuyagankuba (DC) kiva muri bateri kikaba umuyagankuba uhinduka (AC) uwo muyagankuba ukoresha.
Ivyuma vy’amabateri vyo muri iki gihe birakoresha porogarama z’ubwenge be n’ubuhinga bwo guhuza igihe co kubika inguvu n’igihe co kuzirekura zija ku ruzitiro. Ubuhinga burabandanya gusuzuma uko uruja n’uruza rw’amashanyarazi rumeze, ibiciro vy’amashanyarazi be n’ingene ikirere kizoba kugira ngo umuntu afate ingingo nziza zo kubika.
Ubushobozi bw'urugendo-gusubirayo-inguvu zingahe ugaruka ugereranije n'ivyo ushizemwo-mu bisanzwe zishika kuri 85% ku mirongo ya litiyumu-ion. Ivyo bisigura ko iyo ubitse amasaha 100 y’amakilowati-, amasaha nka 85 y’amakilowati-ashobora gukoreshwa, 15% bikabura nk’ubushuhe mu gihe c’ibikorwa vyo guhindura.
Ubuhinga bwa bateri butanga ubushobozi bwo kubika
Bateri za litiyumu-ion ni zo ziganza ububiko bw'amabateri ku isoko ry'inguvu zishobora gusubirwamwo, zikaba zifise ibice birenga 80% vy'ibikoresho vy'uruzitiro kw'isi yose. Izo bateri zirahambaye cane kubera uburemere bw’inguvu zazo, ubuzima buramba, n’ibiciro bigabanutse, vyagabanutse 82% kuva ku madolari arenga 780/kWh mu 2013 gushika ku madolari 139/kWh mu 2023.
Ivyuma bibiri vy’intango vya litiyumu-ion birahiganwa mw’isoko ry’ububiko. Bateri za litiyumu iron phosphate (LFP) ni zo zacitse ihitamwo ryiza ryo kubika ibintu bihagaze kuva mu 2022, zitanga umutekano mwiza n’ubuzima buramba. Bateri za Nickel manganese cobalt (NMC) zitanga inguvu nyinshi ariko zigura amahera menshi kandi zikaba zisaba cane gucungera ubushuhe.
Igipande ca bateri ubwaco kirimwo anode mu bisanzwe ikozwe mu giti citwa graphite, cathode yubatswe mu bihimba vy’ivyuma vyitwa litiyumu, be n’ikindi gikoresho c’amazi gifasha gutwara iyoni. Iyo ions za litiyumu zigenda hagati y’ibikoresho vy’amashanyarazi, zica zifatanya-zija mu mibumbe y’ibikoresho vy’amashanyarazi zitazihinduye ubudasiba-ibituma habaho ibihumbi vy’ingendo z’ugusohoka kw’amashanyarazi-.
Uretse litiyumu-ion, ubuhinga bundi bukoreshwa mu bibanza vyihariye. Bateri zigenda zikoresha amazi y’umuyagankuba abitswe mu bidengeri vyo hanze, bikaba bituma ubushobozi bw’inguvu n’inguvu zisohoka bishobora guhinduka bivanye n’ivyo. Izo nzira zirahambaye cane mu bikorwa bisaba amasaha 10 canke arenga y’igihe co gusohoka. Ububiko bw’inguvu z’umuyaga, uburyo bw’amashanyarazi akoreshwa n’amazi, n’amabateri akomeye-asohoka, vyose bitanga inyungu zitandukanye ku bikorwa vy’ikoreshwa ry’ibintu vyihariye, naho ubu bifise imigabane mitoyi y’isoko.
Ibice vy'umubiri n'ubwubatsi bwa sisitemu
Uburyo bwo kubika amabateri bushitse kugira ngo umuntu ashobore gukoresha inguvu zishobora gusubirwamwo burarenga cane utugingo ngengabuzima tw’amabateri ubwazo. Uwo murongo ugizwe n’ibihimba vyinshi bihurikiye hamwe bikorana.
Ivyuma vy’amabateri birarundanya utugingo ngengabuzima tumwetumwe mu bice bininibinini, bikabikwa mu bibanza bishobora gukingira ikirere vyagenewe gushirwa hanze. Ivyo bibanza bishobora kuba mu buryo bw’ibikoresho vyo gutwara ibintu, ibibanza vyubatswe ku ntumbero-, canke ibikoresho vyo hanze-bifise agaciro, bishizwe mu buryo bwiza ku mirongo y’ugutanga amakuru aho bishobora kubika neza no gutanga inguvu.
Uburyo bwo gucunga amabateri (BMS) ni bwo bukora nk’ikibanza c’ubuhinga bw’ivyo bikoresho. Iguma igenzura umuriro, umuriro, n’ubushuhe mu bihimba vyose, ikarinda gushaja cane, gusohoka cane-, no gushuha cane mu gihe ikora neza n’ubuzima. BMS irakora kandi uburinganire bw’ingingo ngenderwako, igatuma ingingo ngenderwako zose ziri muri iyo paki ziguma zifise ubushobozi bumwe kugira ngo ntizisenyuke vuba.
Uburyo bwo guhindura ubushobozi (PCS) bukora ihinduka hagati y’ubushobozi bw’uruzitiro rwa AC n’ububiko bwa bateri ya DC. Mu gihe co gucapura, PCS ihindura umuyagankuba winjira muri AC ukawugira DC kugira ngo ubike. Mu gihe c’ugusohoka, ihindura DC isohoka muri bateri igasubira muri AC ku nkomezi zibereye n’incuro zibereye kugira ngo ihurire n’uruzitiro. Ukwo gukora kw’inzira zibiri gutuma inguvu zigenda neza hagati y’uburyo bwo kubika n’uruzitiro.
Uburyo bwo gucunga ubushuhe buratuma amabateri aguma mu rugero rwiza rw’ubushuhe, mu bisanzwe 30-35 degrees kugira ngo akore neza cane. Ivyo bishobora kubamwo ibikoresho vyo gukonjesha amazi, ibikoresho vyo gukonjesha umuyaga canke ibikoresho vyo gushushanya ahantu hakanye. Gucungera ubushuhe biragaragara ko ari ikintu gihambaye cane kubera ko ubuhinga bwo gukoresha amabateri bugenda bugabanuka iyo ubushuhe burengeje urugero kandi gushaja amabateri akanye birashobora kuyahonya ubuziraherezo.
Porogarama y’ugucungera inguvu ihuza ubuhinga bwose, ifata ingingo z’igihe nyaco-ku bijanye no gucapura no gukuraho ingufu zishingiye ku bimenyetso vy’uruzitiro, ibiciro vy’inguvu, ivyitezwe ku bijanye n’inguvu zishobora gusubirwamwo, n’amasezerano. Iyi porogarama ishobora gutuma haba ububiko bwa bateri kugira ngo inguvu zishobora gusubirwamwo zitange ibikorwa vyinshi vy’uruja n’uruza icarimwe.
Ugushiramwo uruzitiro n'ibikorwa
Uburyo bwo kubika amabateri bufatanya n’uruzitiro rw’amashanyarazi ku bibanza bitandukanye, kuva ku bikoresho vy’ubuhinga-ku rugero rw’amashanyarazi ku nzira z’ugutanga amakuru gushika ku bikoresho bitobito ku bibanza vy’ugukwiragiza canke inyuma y’ibipimo vy’abaguzi. Uburyo bwo gufatanya buvana n’uko ububiko bukora nk’ikibanza cigenga canke bukorana n’ubuhinga bushobora gusubirwamwo.
Ubuhinga bwa bateri bwigenga bushaja buva ku ruzitiro rusangi kandi bugasubiza imibereho yose y’uruzitiro. Izo nzira zigenga zitanga ibikorwa vyo ku rugero rw'uruzitiro-nk'ugutunganya incuro, gufasha umuriro, n'ubushobozi bwo kubika ibintu vyihutirwa.
Co-located systems zishirwa iruhande y’amatongo y’izuba canke y’umuyaga, zigatuma habaho ibikorwa vy’ubuhinga bushasha bishobora gutuma umusaruro ushobora gusubirwamwo ugenda neza. Ivyo bikoresho bishobora kuba DC-bifatanye canke AC-bifatanye. DC-coupled systems zica zicapura amabateri n’inguvu ziva ku bikoresho vy’izuba imbere y’uko zica mu gikoresho gihindura umuriro, ivyo bikaba bituma zikora neza. AC-uburyo bufatanye bugaragaza ko bworoshe gusubiramwo ku bikoresho vya kera bishobora gusubirwamwo, naho nyene bitera ibindi bihombo vyo guhindura.
Ivyo bikoresho ivyo bikoresho bitanga birarenga gusa kubika inguvu mu buryo bworoshe. Itegeko ry’incuro rifasha kubungabunga incuro z’uruzitiro 60 Hz mu gufata canke kurekura ubushobozi ubwo nyene kugira ngo bihuze ugutanga n’ugusaba. Infashanyo y’umuriro ituma umuriro uhagarara neza mu rubuga rwose, bikabuza ibikoresho kwonona. Gushavura kw'isonga bigabanya umubabaro mu bihe vy'ibisabwa vyinshi -mu gusohora inguvu zibitswe igihe umuzigo w'uruzitiro ushika ku rwego rwo hejuru.
Inguvu arbitrage igereranya ikindi gikoresho nyamukuru: amabateri arashaja iyo ibiciro vy’amashanyarazi biri hasi, agaca asohoka iyo ibiciro vyiyongereye, bifata itandukaniro ry’igiciro. Ico kimenyetso c’ubutunzi gifasha guhuza ugutanga n’ugusaba mu gihe kigabanya igiciro c’inguvu muri rusangi ku muntu akoresha iyo nzira.
Gukomeza ubushobozi bituma ibikoresho bishobora gusubirwamwo bigenda nk’ibikoresho vy’amashanyarazi bishobora gukoreshwa. Iyo ibicu birenze hejuru y’itongo ry’izuba canke umuyaga ugabanuka, ububiko bwa bateri burazuza ikinogo c’ubuhinga, bugatuma umusaruro udahinduka. Ubu bushobozi bwongera agaciro k'ibikoresho bishobora gusubirwamwo kandi bukagabanya ukugabanya-akamenyero ko gutakaza amashanyarazi arengeje urugero iyo uruzitiro rudashobora kuvyemera.
Iterambere ry'isoko n'imibare y'ugushirwaho
Ububiko bw’amabateri bw’inguvu zishobora gusubirwamwo bwarateye imbere cane mu myaka iheze. Ubushobozi bwo kubika amabateri y’ubuhinga bwa Amerika-bwarengeye gigawatts 26 (GW) mu mpera z’umwaka w’2024, bikaba vyerekana ko hariho ukwiyongera kw’ibice 66% ugereranije n’umwaka uheze inyuma y’aho abakoresha bongeyeko ubushobozi bushasha bwa 10,4 GW.
Ukwo kwihutisha nta bimenyetso vy’uguteba kwerekana. Abakoresha iyo mashini bategura kwongerako izindi 18,2 GW z’ububiko bw’amabateri ku ruzitiro rwa Amerika mu 2025, ivyo bikaba vyotuma habaho irekodi nshasha y’umwaka, bigatuma ubushobozi bwose bushizweho bugera hafi kuri 44 GW. Ivyo vyongeweko bituma ububiko bwa bateri buba isoko ya kabiri-inkuru y’ubushobozi bushasha bwo gutanga umuriro inyuma y’izuba, bikaba vyerekana uruhara rwayo ruhambaye mu guhindura uruja n’uruza rw’amazi.
Ivyiyumviro vy’abantu biguma bigaragara cane. California ni yo irongoye n’ubushobozi bwo kubika amabateri 12,5 GW mu 2024, mu gihe Texas ikurikirana n’amabateri agera kuri 8, vyose hamwe bikaba ari vyo bifise ubushobozi bwinshi bwo gukoresha amabateri muri Amerika. Ukwo kwibanda kugaragaza amategeko y’izo leta y’inguvu zishobora gusubirwamwo n’ingorane z’uruzitiro ububiko bufasha gutorera umuti.
Ubutunzi bw’imigambi bwarateye imbere cane. Igiciro c’amashanyarazi co kubika amabateri ku rugero rw’ubuhinga-cavuye ku madolari 155/MWh mu 2023 kija ku madolari 104/MWh mu 2024, ivyo bikaba ari ukugabanuka kw’ibice 33% bivuye ku gutera imbere mu bijanye n’uguhingura no gutanga ubushobozi burenze urugero. Mu myaka cumi iheze, igiciro co kubika amabateri caragabanutse n’incuro zirenga indwi, kikaba cegera uburinganire bw’uruzitiro n’inkomoko zisanzwe z’amashanyarazi.
Ku isi yose, ubushobozi bwo kubika amabateri burashobora kuba bwarengeye ububiko bw’amashanyarazi akoreshwa n’amazi mu 2024, ivyo bikaba ari ihinduka rikomeye mu buhinga bwo kubika inguvu. Naho amazi akoreshwa n’amapompa amaze imyaka mirongo atanga ububiko bwinshi, amabateri aratanga ubushobozi bwo guhindura aho umuntu ari, igihe co kwishura vyihuta, n’ubushobozi bwo guhindura ibintu mu buryo butari bwo, ivyo bikaba bidashobora gushika ku mazi.
Ingorane z'ubuhinga n'umuti
Naho hariho iterambere ryihuta, ububiko bw’amabateri y’inguvu zishobora gusubirwamwo burahura n’intambamyi nyinshi z’ubuhinga. Ugutahura ubushuhe biragira ico bikoze ku bikorwa no ku mutekano. Ubushuhe bukaze bwihuta gusenyuka, mu gihe ubushuhe bukonja bugabanya ubushobozi kandi bushobora kwonona ingingo iyo zishizwe munsi ya degre 5 . Uburyo bwo gucunga ubushuhe buratorera umuti iyo ngorane ariko bwongerako igiciro n’ugusobanuka.
Ugusenyuka kw’utugingo ngengabuzima kuragabanya ubuzima bw’umubiri. Bateri za litiyumu-ion mu bisanzwe ziheza 2.000 gushika ku 5.000 z’ugushaja-imbere y’uko ubushobozi bugabanuka kugera kuri 80% vy’urugero rw’intango, bivanye n’ubuhinga n’imiterere y’ibikorwa. Ugukura kw'ikirangamisi-ugusenyuka kubaho mbere n'aho ata n'ikinga-bigabanya cane ubuzima bw'ingirakamaro. Abakoresha bategerezwa gutegura ko bazosubirizwa, cane cane inyuma y’imyaka 10-15 bakora.
Ugutera imbere kw’uruja n’uruza kw’uruzitiro kuva ku nkenerwa yo gutanga ibikorwa vyinshi icarimwe mu gihe umuntu ashitsa ibisabwa bitandukanye vy’ubuhinga kuri buri kimwe cose. Itegeko ry’incuro risaba ibihe vy’inyishu vy’imilisegonda, mu gihe guhindura inguvu bisaba amasaha y’umusaruro uhoraho. Guhuza izo nshingano biciye ku buhinga buhambaye bwo kugenzura biracari ikintu gikomeye co guteza imbere.
Ivyerekeye umutekano bishingiye ku guhunga kw'ubushuhe-ugusenyuka kw'uruhererekane aho ingingo imwe ishushe cane ituma ingingo ziri hafi zishuha cane. Uburyo bwa none bukoresha ubuhinga bwa litiyumu iron phosphate chemistry, bugaragaza ko butekanye cane kuruta ubuhinga bwa kera, kandi bushiramwo ibice vyinshi vy’uburinzi harimwo no kugenzura urugero rw’ingingo, gutandukanya umubiri, no guzimya umuriro ubwavyo.
Ubukene bw’ubutunzi burashobora gutuma amaherezo iterambere ridatera imbere. Ivyo bikoresho vy’ivyuma bita litiyumu, nickel na cobalt bitegerezwa kwaguka cane kugira ngo bishobore gushitsa ivyo bikenewe biva ku modoka no ku bibanza bihagaze. Porogarama zo gusubira gukoresha ibintu bishaje n’ubundi buryo bwo gukoresha ibikoresho vyinshi, nk’amabateri y’ivyuma vy’amazi, bigamije gutorera umuti ivyo bibazo imbere y’uko uruhererekane rw’ibikoresho rugira ingorane.
Ibibazo bikunze kwibazwa
Ni ryari uburyo bwo kubika amabateri bushobora gutanga umuyagankuba ku ruzitiro?
Ivyuma vyinshi vy'amabateri y'urugero -bitanga amasaha 2-4 y'ugusohoka ku nguvu nyinshi. Ubuhinga bw’amasaha 240 megawatt{7}}bufise megawatt 60 bushobora gutanga ubushobozi bwose mu masaha ane, igice c’ubushobozi mu masaha umunani, canke ubushobozi bukeyi mu kiringo kirekire. Igihe kivana n’igipimo c’ubushobozi bw’inguvu n’ubushobozi bw’amashanyarazi, n’uburyo bumara igihe kirekire-bufasha ivyipfuzo bitandukanye vy’isoko kuruta ubumara igihe gito.
None amabateri aba iyo ashitse ku mpera y’ubuzima?
Amabateri ashobora guhagarika ibikorwa vy'uruja n'uruza inyuma y'imyaka 10-15 iyo ubushobozi bugabanutse bukagera kuri 70-80% vy'urugero rwa mbere. Izo bateri akenshi zironka ibikorwa vy’ubuzima bwa kabiri mu bikorwa bitasaba cane imbere y’uko amaherezo zisubirwamwo. Ivyo gusubira gukoresha ibintu bishasha birasubizaho litiyumu, kobalti, nickel be n’ibindi bikoresho vy’agaciro, naho nyene ibikorwa remezo vyo gusubira gukoresha ibintu bishaje bibandanya gutera imbere kugira ngo bihure n’ingero y’amabateri yacitse kw’icumu iguma igwira.
Mbega ububiko bwa bateri burashobora gukora ata nguvu zishobora gusubirwamwo?
Egome. Uburyo bw’amabateri bwigenga buca buva ku nzira yose y’uruzitiro, harimwo n’uguhingura amakara y’ibisigazwa, kandi butanga ibikorwa vy’agaciro vy’uruzitiro ata kuraba aho uruzitiro ruva. Ariko rero, gufatanya amabateri n’ibintu bishobora gusubirwamwo biratuma habaho inyungu nyinshi ku bidukikije mu kubika inguvu zisukuye zishobora kugabanywa no gukuraho ivy’ibisigazwa vy’ibintu vya kera mu bihe vy’ugusaba cane-.
Ni gute igiciro co kubika amabateri kigereranywa n’ukwubaka amahinguriro mashasha y’amashanyarazi?
Ibiciro vyo kubika amabateri vyaragabanutse ku buryo bishobora guhangana n’ibikoresho bikoresha gaze kavukire ku bikorwa vyinshi. Ivyo bigereranywa vyihariye bivana n’ingene iyo nyubakwa ikora kenshi, amabateri akagaragaza ko ari meza cane ku nyubakwa zikora rimwe na rimwe gusa. Iyo ifatanijwe n’ubuhinga bushobora gusubirwamwo, iyo nzira ishobora gutanga ubushobozi bukomeye ku giciro gihuye n’ubuhinga busanzwe.
Ivyuma vyinshi vy'amabateri ubu bikoresha ubuhinga bwa litiyumu iron phosphate aho gukoresha ubuhinga bushingiye kuri nickel-busanzwe mu modoka zikoresha umuyagankuba. Iryo hinduka ryerekana ibintu bitandukanye bihambaye hagati y’ugutwara abantu n’ibintu n’ububiko buhagaze-amabateri y’uruzitiro akora neza kubera umutekano, ubuzima buramba, n’igiciro ku kilowatt-isaha aho gukoresha neza uburemere n’ahantu. Iryo koraniro rirabandanya gutera imbere cane, n’amabateri akomeye-, amabateri agendagenda, n’ubundi buhinga bushasha bushobora guhindura uko ibintu vyifashe mu myaka iri imbere.
Gutahura ubuhinga bwo kubika amabateri birafasha gusigura igituma ubu buhinga bwacitse ikintu gihambaye mu gukorana n’inguvu zishobora gusubirwamwo. Ubushobozi bwo gutandukanya igihe co gutanga amashanyarazi n’igihe co gukoresha burahindura cane ingene amashanyarazi akora, bikaba bishoboza ibice vyinshi vy’ibikoresho bishobora gusubirwamwo bihinduka mu gihe biguma vyizigirwa. Uko ibiciro bikomeza kugabanuka kandi ubuhinga bugenda buratera imbere, ububiko bw’amabateri y’inguvu zishobora gusubirwamwo buzogira uruhara runini mu guhindura uburyo bwo gukoresha amashanyarazi busukuye.