{"id":87758,"date":"2024-06-24T06:27:25","date_gmt":"2024-06-24T06:27:25","guid":{"rendered":"https:\/\/insights.greyb.com\/?post_type=ht_kb&p=87758"},"modified":"2025-03-10T04:54:20","modified_gmt":"2025-03-10T04:54:20","slug":"byd-blade-battery-patents","status":"publish","type":"ht_kb","link":"https:\/\/insights.greyb.com\/byd-blade-battery-patents\/","title":{"rendered":"BYD Blade Battery Patents \u2013 Insights on EV Innovation"},"content":{"rendered":"\n

Is China’s EV Giant, BYD, Challenging Tesla<\/a>? Warren Buffett-backed BYD surpassed Tesla in the fourth quarter of 2023 to become the world’s leading EV manufacturer, selling more battery-powered vehicles than its U.S. competitor (source<\/a>). The secret to BYD’s success could be their ground-breaking Blade Battery!<\/p>\n\n\n\n

BYD’s Blade Battery, set to mitigate concerns about battery safety in EV, is a significant innovation in the electric vehicle (EV) industry.<\/p>\n\n\n

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\"BYD<\/a><\/figure><\/div>\n\n\n

In a striking demonstration, BYD showcased the Blade Battery enduring the rigorous nail penetration test, often referred to as the \u201cMount Everest\u201d of battery tests. <\/p>\n\n\n\n

\"Nail<\/a>
Image Credits: Cimex<\/figcaption><\/figure>\n\n\n\n

During this test, the Blade Battery neither emitted smoke nor caught fire, with its surface temperature peaking between 30 to 60\u00b0C. In stark contrast, a ternary lithium battery under the same conditions exceeded 500\u00b0C and ignited violently, while a conventional lithium iron phosphate battery, although not emitting flames or smoke, reached hazardous surface temperatures of 200 to 400\u00b0C. This implies that EVs equipped with the Blade Battery would be far less susceptible to catching fire \u2013 even when they are severely damaged.<\/p>\n\n\n\n

The Blade Battery also withstood other extreme test conditions, including crushing, bending, heating in a furnace to 300\u00b0C, and overcharging by 260%, without causing any fire or explosion.<\/p>\n\n\n\n

Key Features and Advantages of the Blade Battery<\/h3>\n\n\n\n

In recent years, the competition among electric vehicle (EV) manufacturers has largely centered on achieving greater cruising ranges. This intense focus on range has driven battery makers to pursue higher “energy density” in their designs, often at the expense of safety. However, BYD\u2019s Blade Battery brings a much-needed shift in priorities by placing battery safety at the forefront.<\/p>\n\n\n\n

The 4 distinct advantages of Blade Battery according to He Long, Vice President of BYD and Chairman of FinDreams Battery Co., Ltd is<\/p>\n\n\n\n

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  1. High Starting Temperature for Exothermic Reactions:<\/strong> The Blade Battery requires a higher temperature to initiate exothermic reactions, which means it is less likely to overheat under normal operating conditions. This enhances the overall safety of the battery by reducing the risk of thermal runaway.<\/li>\n\n\n\n
  2. Slow Heat Release:<\/strong> The Blade Battery releases heat slowly, allowing for better thermal management and reducing the likelihood of sudden temperature spikes. This feature helps maintain a stable and safe operating environment within the battery pack.<\/li>\n\n\n\n
  3. Low Heat Generation:<\/strong> By generating less heat during operation, the Blade Battery minimizes the risk of overheating. This contributes to the longevity of the battery and ensures that it remains within safe temperature ranges during both charging and discharging.<\/li>\n\n\n\n
  4. No Oxygen Release During Breakdowns:<\/strong> The Blade Battery is designed not to release oxygen during breakdowns, which significantly lowers the risk of fires. Oxygen release in conventional batteries can fuel fires, but the Blade Battery’s design prevents this, making it much safer in the event of damage or failure.<\/li>\n<\/ol>\n\n\n\n

    Innovations behind BYD Blade Battery<\/h3>\n\n\n\n

    Several patents have been filed by BYD related to this technology. Here are some key patents associated with the Blade Battery:<\/p>\n\n\n\n

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    1. Battery Pack, Vehicle, and Energy Storage Device<\/strong> (Publication Number: 20240128565<\/a>)\n