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BYD","the-fast-charging-competition-between-catl-and-byd","article/the-fast-charging-competition-between-catl-and-byd",{"_uid":547,"date":548,"tags":549,"editor":559,"content":569,"excerpt":756,"featured":51,"reporter":757,"component":778,"seo_title":543,"categories":779,"visibility":789,"data_vis_image":790,"featured_image":793,"seo_description":797,"formattedDate":798,"formattedArticleDate":799},"aaa9e898-0841-4914-a956-c98bb72d298b","2026-05-06 00:00",[550,553,556],{"slug":551,"name":552},"byd","BYD",{"slug":554,"name":555},"catl","CATL",{"slug":557,"name":558},"charging","Charging",[560],{"slug":561,"name":562,"content":563},"benjamin-roche","Benjamin Roche",{"job_title":564,"image":565,"bio":567,"linkedin":568},"Editor – Energy Transition Supply Chains",{"filename":566},"https://a.storyblok.com/f/287943243085208/800x800/66d6674fb8/benjamin-roche.png","Benjamin is Benchmark's Editor for Energy Transition Supply Chains, covering both upstream products like critical minerals and downstream products including energy storage systems and electric vehicles. He has previous experience covering trade flows, tariffs and the effects of geopolitics on supply chains.","https://www.linkedin.com/in/benjaminrochecontent/",{"type":570,"content":571},"doc",[572,601,618,630,638,649,657,665,673,681,690,712,734,742,750],{"type":573,"attrs":574,"content":575},"paragraph",{"textAlign":49},[576,584,596],{"text":577,"type":578,"marks":579},"Both CATL and BYD have made announcements renewing their commitment to ","text",[580],{"type":581,"attrs":582},"textStyle",{"color":583},"windowtext",{"text":585,"type":578,"marks":586},"fast charging",[587,594],{"type":588,"attrs":589},"link",{"href":590,"uuid":591,"anchor":49,"target":592,"linktype":593},"/article/infographic-comparing-ev-charging-networks-worldwide","d4873e1a-a71e-4dea-8f82-e099ff0f8879","_blank","story",{"type":581,"attrs":595},{"color":583},{"text":597,"type":578,"marks":598}," this year, pushing faster, ultra-high charging speeds up to 15C even as existing technologies have approached the refuelling time of internal combustion engine (ICE) vehicles.",[599],{"type":581,"attrs":600},{"color":583},{"type":573,"attrs":602,"content":603},{"textAlign":49},[604,613],{"text":605,"type":578,"marks":606},"Competition between the two firms",[607,611],{"type":588,"attrs":608},{"href":609,"uuid":610,"anchor":49,"target":592,"linktype":593},"/article/is-byd-using-lmfp-for-blade-2-0-and-what-would-this-mean-for-manganese-","27a25c0a-b17f-46c1-a750-10f514e8bb13",{"type":581,"attrs":612},{"color":583},{"text":614,"type":578,"marks":615}," on charging speed, highlighted again at CATL’s 2026 Tech Day event last month, comes as progress on energy density has slowed for lithium iron phosphate (LFP) batteries.",[616],{"type":581,"attrs":617},{"color":583},{"type":619,"attrs":620,"content":622},"heading",{"level":621,"textAlign":49},2,[623],{"text":624,"type":578,"marks":625},"Fast charging replacing density as key battleground",[626,628],{"type":581,"attrs":627},{"color":583},{"type":629},"bold",{"type":573,"attrs":631,"content":632},{"textAlign":49},[633],{"text":634,"type":578,"marks":635},"Following the launch of BYD’s Blade II earlier this year, CATL introduced Shenxing III, widely seen as a competitive response. Both batteries use LFP-based chemistries and have ultra-fast charging capabilities.",[636],{"type":581,"attrs":637},{"color":583},{"type":639,"attrs":640},"blok",{"id":641,"body":642},"cc8dbb00-070d-4901-9ec2-2c039e4ab4ed",[643],{"id":644,"_uid":645,"type":646,"component":647,"fixed_height":648,"use_fixed_height":50,"fixed_height_mobile":648,"fixed_height_tablet":648},"28835236","i-a5247011-f038-4de4-a9c8-caba4bc4536f","visualisation","ContentFlourish","",{"type":573,"attrs":650,"content":651},{"textAlign":49},[652],{"text":653,"type":578,"marks":654},"Benchmark battery technology analyst Xin Chen noted that CATL has not framed Shenxing III as representing a step-change in energy density, where LFP is likely approaching a practical ceiling.",[655],{"type":581,"attrs":656},{"color":583},{"type":573,"attrs":658,"content":659},{"textAlign":49},[660],{"text":661,"type":578,"marks":662},"CATL's previous, fifth-generation LFP cells achieved an energy density of 205Wh/kg, which is very close to the theoretical limit of LFP.",[663],{"type":581,"attrs":664},{"color":583},{"type":573,"attrs":666,"content":667},{"textAlign":49},[668],{"text":669,"type":578,"marks":670},"“Making further gains is increasingly difficult without a change in chemistry or system design,” Xin added. “As a result, the development focus is likely shifting toward alternative directions, with fast charging, low-temperature performance, and lifecycle durability emerging as the new competitive frontiers.”",[671],{"type":581,"attrs":672},{"color":583},{"type":573,"attrs":674,"content":675},{"textAlign":49},[676],{"text":677,"type":578,"marks":678},"In this context, CATL has positioned Shenxing III with a significantly higher peak charging capability (up to 15C) compared with BYD (8C). Yet 8C charging is already approaching the refuelling time of an ICE vehicle, and there is a well-recognised trade-off between ultra-fast charging and cycle life degradation.",[679],{"type":581,"attrs":680},{"color":583},{"type":619,"attrs":682,"content":683},{"level":621,"textAlign":49},[684],{"text":685,"type":578,"marks":686},"Addressing cell degradation",[687,689],{"type":581,"attrs":688},{"color":583},{"type":629},{"type":573,"attrs":691,"content":692},{"textAlign":49},[693,698,707],{"text":694,"type":578,"marks":695},"Fast charging is associated with both ",[696],{"type":581,"attrs":697},{"color":583},{"text":699,"type":578,"marks":700},"accelerated degradation",[701,705],{"type":588,"attrs":702},{"href":703,"uuid":704,"anchor":49,"target":592,"linktype":593},"/article/fast-charging-increasingly-driving-ev-battery-degradation","46750879-a447-41c0-be37-caf7180c42b5",{"type":581,"attrs":706},{"color":583},{"text":708,"type":578,"marks":709}," via lithium plating and elevated battery temperatures during charging. The two firms are both looking to reduce heat generation and improve heat dissipation, though they are each taking different technical approaches.",[710],{"type":581,"attrs":711},{"color":583},{"type":573,"attrs":713,"content":714},{"textAlign":49},[715,720,729],{"text":716,"type":578,"marks":717},"CATL’s Shenxing III reduces internal resistance to around 0.25 mΩ, reportedly among the lowest in the industry. ",[718],{"type":581,"attrs":719},{"color":583},{"text":721,"type":578,"marks":722},"BYD’s Blade II",[723,727],{"type":588,"attrs":724},{"href":725,"uuid":726,"anchor":49,"target":592,"linktype":593},"/article/byd-launches-much-anticipated-blade-2-battery","bbd6953f-b16b-4e77-967f-8242cfad5d74",{"type":581,"attrs":728},{"color":583},{"text":730,"type":578,"marks":731},", meanwhile, improves electrochemical efficiency through electrolyte optimisation and enhanced solid-electrolyte interphase (SEI) formation, which also helps reduce internal resistance by improving ion transport.",[732],{"type":581,"attrs":733},{"color":583},{"type":573,"attrs":735,"content":736},{"textAlign":49},[737],{"text":738,"type":578,"marks":739},"On heat dissipation, both companies are upgrading thermal management systems. CATL uses a shoulder-region cooling design that enhances heat extraction at the tab area, where localised heating is most severe. BYD leverages the intrinsic thermal advantage of its blade cell architecture, which provides a larger heat dissipation surface. This is further enhanced in its Blade II battery through double-sided direct liquid cooling.",[740],{"type":581,"attrs":741},{"color":583},{"type":573,"attrs":743,"content":744},{"textAlign":49},[745],{"text":746,"type":578,"marks":747},"Beyond cell and system-level optimisation, CATL also adopts a distinct approach to fast charging infrastructure compared with BYD. BYD’s flash-charging stations are designed with a relatively simple architecture, enabling easier installation and deployment. In contrast, CATL has introduced the ‘Choco-Swap’ battery charging station, which offers both ultra-fast charging and battery swapping. These stations function not only as charging hubs, but also as distributed energy storage and grid-balancing node.",[748],{"type":581,"attrs":749},{"color":583},{"type":639,"attrs":751},{"id":641,"body":752},[753],{"id":754,"_uid":755,"type":646,"component":647,"fixed_height":648,"use_fixed_height":50,"fixed_height_mobile":648,"fixed_height_tablet":648},"28836073","i-50ddbc7a-4fe0-40bd-876d-a8e1cc8be484","Both CATL and BYD have made announcements renewing their commitment to fast charging this year, pushing faster, ultra-high charging speeds up to 15C even as existing technologies have approached the refuelling time of internal combustion engine (ICE) vehicles.\n\nCompetition between the two firms on charging speed, highlighted again at CATL’s 2026 Tech Day event last month, comes as progress on energy density has slowed for lithium iron phosphate (LFP) batteries.",[758,768],{"slug":759,"name":760,"content":761},"xin-chen","Xin Chen",{"job_title":762,"image":763,"bio":765,"linkedin":766,"markets_covered":767},"Analyst - Battery Technology",{"filename":764},"https://a.storyblok.com/f/287943243085208/512x512/bd01e707af/xin-chen.jpeg","Xin holds a PhD in Chemistry from the University of St Andrews and has over five years of research experience in developing cathode materials for sodium-ion and potassium-ion batteries. Currently, as a new battery technology analyst, Xin contributes to the New Technology Report and manages a comprehensive database tracking emerging battery technologies. My work also supports BESS, EV, and silicon-based anode products, providing detailed technology highlights for reports such as the BESS Outlook, EV & Battery Forecast, and other industry publications.","https://www.linkedin.com/in/xin-chen-battery/","New Technology, BESS, EV, Silicon Anode",{"slug":769,"name":770,"content":771},"iola-hughes","Iola Hughes",{"job_title":772,"image":773,"bio":775,"linkedin":776,"markets_covered":777},"Head of Research",{"filename":774},"https://a.storyblok.com/f/287943243085208/852x854/03382be015/iola-h.png","Iola was Head of Research at Rho Motion prior to the acquisition, and now leads the downstream research for the Benchmark. She has six years of experience in the battery space and works across electric vehicle, battery, and energy storage markets. Previous experience includes a research position with a Servomex working on paramagnetic sensors and spectroscopy gas analysis. Iola graduated with a First-Class Honours Master’s Degree in Geophysics from University College London","https://www.linkedin.com/in/iolahughes/","Battery, BESS, EV and Battery","article",[780,783,786],{"slug":781,"name":782},"batteries","Batteries",{"slug":784,"name":785},"battery-technology","Battery Technology",{"slug":787,"name":788},"ev","EV","private",{"id":49,"alt":49,"name":648,"focus":49,"title":49,"source":49,"filename":648,"copyright":49,"fieldtype":791,"meta_data":792},"asset",{},{"id":794,"alt":648,"name":648,"focus":648,"title":648,"source":648,"filename":795,"copyright":648,"fieldtype":791,"meta_data":796,"is_external_url":50},129064587089142,"https://a.storyblok.com/f/287943243085208/005d0156fa/bm-a-new-ford-mustang-mach-e-gt-x-electric-vehicle-parking-at-electrify-america-ev-charging-station.jpg",{},"Both CATL and BYD have made announcements renewing their commitment to fast charging this year, pushing faster, ultra-high charging speeds up to 15C even as existing technologies near the refuelling time of internal combustion engine (ICE) vehicles.","May 06, 2026","6th May 2026",[],[],1783529618567]