<div id="readability-page-1"><blockquote><ul><li>BYD said that the mass production timeline for its sodium-ion batteries will be determined based on market and customer demand.</li><li>BYD said that sulfide solid-state batteries are expected to achieve breakthroughs in areas such as battery life and fast charging, representing an important technological direction.</li></ul></blockquote><figure id="attachment_136438"><img src="https://imageproxy.pbkrs.com/https://cdn.cnevpost.com/wp-content/uploads/2026/02/2026020903470666.jpg?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" width="1600" height="900" original-src="https://imageproxy.pbkrs.com/https://cdn.cnevpost.com/wp-content/uploads/2026/02/2026020903470666.jpg"/><figcaption id="caption-attachment-136438">(BYD blade batteries showcased at the Shanghai auto show in April 2025. Image credit: CnEVPost)</figcaption></figure><p>BYD (HKG: 1211, OTCMKTS: BYDDY) said it has developed sodium-ion battery products with a cycle life of up to 10,000, with mass production timing to be determined based on market and customer demand.</p><p>The Chinese new energy vehicle (NEV) and battery giant disclosed this information during an investor briefing, marking one of its rare mentions of sodium-ion batteries.</p><p>Currently, mainstream lithium iron phosphate (LFP) batteries for electric vehicles have a cycle life of 2,000-3,000, while energy storage batteries can achieve up to 10,000 cycles.</p>    <div>        <p><span>Join us on </span>            Telegram            <span> or </span>            Google News        </p>    </div><p>BYD's sodium-ion battery R&amp;D has reached the development stage of its third-generation product technology platform, the company said in a meeting minutes text released late Sunday night.</p><p>The company has addressed sodium precipitation issues and high-temperature challenges through innovative material design utilizing highly stable poly-anion systems and electrochemical system advancements, it said.</p><p>BYD ranks as the world's second-largest power battery manufacturer, trailing only CATL (HKG: 3750, SHE: 300750).</p><p>Its battery portfolio primarily consists of LFP batteries, while CATL's offerings include both LFP and ternary lithium batteries.</p><p>CATL launched its first-generation sodium-ion battery on July 29, 2021, sparking widespread attention for this emerging technology.</p><p>Last week, CATL and Changan jointly unveiled a passenger vehicle equipped with sodium-ion batteries, slated for release in mid-2026.</p><p>As Changan's exclusive sodium-ion battery strategic partner, CATL will supply its Naxtra sodium-ion batteries to all Changan brands, including Avatr, Deepal, Qiyuan, and UNI.</p><p>Launched in April 2025, the Naxtra sodium-ion battery boasts an energy density of 175 Wh/kg, comparable to mainstream LFP batteries.</p><p>Beyond sodium-ion batteries, BYD's meeting minutes also noted its multi-path exploration in solid-state battery technology.</p><p>Sulfide solid-state batteries hold promise for breakthroughs in battery lifespan and fast-charging capabilities, representing a key technological direction, BYD said.</p><p>Based on current R&amp;D trends, BYD's sulfide solid-state batteries are expected to achieve small-scale production by 2027, the company reiterated, aligning with its previously communicated timeline.</p><p>Currently, three mainstream technical routes exist in the solid-state battery field: oxide, polymer, and sulfide.</p>    <div>        <div>            <p><img width="768" height="462" src="https://imageproxy.pbkrs.com/https://cdn.cnevpost.com/wp-content/uploads/2026/02/2026020513280910-768x462.jpg?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" original-src="https://imageproxy.pbkrs.com/https://cdn.cnevpost.com/wp-content/uploads/2026/02/2026020513280910-768x462.jpg"/>                            </p>        </div>        <div>            <p>CATL's sodium-ion batteries begin deployment in production-ready passenger vehicles</p>            <p>CATL and Changan jointly unveiled a passenger vehicle model equipped with sodium-ion batteries, slated for market launch in mid-2026.</p>                    </div>    </div>                                                                                    </div>

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<p>BYD has developed sodium-ion batteries with a cycle life of up to 10,000. The mass production timeline will depend on market demand. The company is also exploring solid-state battery technology, with expectations for small-scale production of sulfide solid-state batteries by 2027. Currently, mainstream lithium iron phosphate batteries have a cycle life of 2,000-3,000. BYD ranks as the world's second-largest power battery manufacturer, following CATL, which has also launched sodium-ion batteries for passenger vehicles.</p>

- BYD disclosed that the mass production of its sodium-ion batteries will depend on market and customer demand, achieving a cycle life of up to 10,000.  
- The company also mentioned advancements in sulfide solid-state batteries, predicting breakthroughs in battery life and fast charging, aiming for small-scale production by 2027.  
- BYD is the second-largest power battery manufacturer, focusing on both sodium-ion and solid-state battery technologies in response to current industry trends.

BYD says it has developed sodium batteries with cycle life up to 10,000