{"id":16900,"date":"2026-07-17T07:01:51","date_gmt":"2026-07-17T07:01:51","guid":{"rendered":"https:\/\/www.jet-mills.com\/?p=16900"},"modified":"2026-07-17T07:07:08","modified_gmt":"2026-07-17T07:07:08","slug":"blade-battery-2-0-uses-lmfp-cathodes-powder-by-jet-milling","status":"publish","type":"post","link":"https:\/\/www.jet-mills.com\/vi\/blade-battery-2-0-uses-lmfp-cathodes-powder-by-jet-milling\/","title":{"rendered":"Pin Blade Battery 2.0 s\u1eed d\u1ee5ng b\u1ed9t cat\u1ed1t LMFP \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n tia."},"content":{"rendered":"

On March 5, 2026, BYD officially unveiled its second-generation Blade Battery in Shenzhen. The announcement sent ripples through the EV industry\u2014not because of incremental improvements, but because the new battery fundamentally redefines what lithium iron phosphate (LFP) chemistry can achieve. The numbers are striking: system-level energy density reaches 190\u2013210 Wh\/kg, representing a roughly 40% increase over the first generation. It charges from 10% to 70% in just five minutes and reaches 97% in nine minutes. Even at -30\u00b0C, it recharges from 20% to 97% in 12 minutes. It maintains over 85% capacity at -20\u00b0C. It passes the nail penetration test without fire or smoke, even after 500 ultra-fast charge cycles.<\/p>\n\n\n\n

But behind these headline-grabbing specs lies a less visible but equally critical story\u2014the story of powder processing<\/strong>. The materials that make Blade Battery 2.0 possible must be ground to precise particle sizes with near-zero contamination. And that’s where phay ph\u1ea3n l\u1ef1c<\/a> with ceramic lining and nitrogen circulation<\/strong> becomes indispensable. This article examines the raw materials behind Blade Battery 2.0, the particle size requirements that drive processing decisions, and why ceramic-lined, nitrogen-protected jet milling has become the industry standard for battery material production.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

What Is Blade Battery 2.0?<\/mark><\/h2>\n\n\n\n

Chemistry and Materials<\/mark><\/h3>\n\n\n\n

The first-generation Blade Battery (2020) used a standard lithium iron phosphate (LFP) cathode with a pure graphite anode. It was revolutionary for its safety and packaging efficiency, but energy density and charging speed had inherent limits.<\/p>\n\n\n\n

Blade Battery 2.0 changes the game with two major material upgrades:<\/p>\n\n\n\n

Cathode<\/strong>: Upgrades to Lithium Manganese Iron Phosphate (LMFP), which raises the voltage platform from 3.2V to 3.8V<\/p>\n\n\n\n

Anode<\/strong>: Introduces a Silicon-Carbon (Si-C) composite, using nano-coating to suppress silicon\u2019s tendency to expand<\/p>\n\n\n\n

Ch\u1ea5t \u0111i\u1ec7n gi\u1ea3i<\/strong>: Uses a new gradient-design \u201cFlash-Flow\u201d electrolyte to enhance ion mobility<\/p>\n\n\n\n

Note<\/strong>: Some industry observers note that early Blade 2.0 packs (such as the 2026 Yangwang U7 150kWh pack) are described in regulatory filings as LFP rather than LMFP. However, BYD\u2019s official launch materials consistently reference LMFP as the core cathode chemistry.<\/p>\n\n\n\n

\"BYD_blade_battery_2.webp\"<\/figure>\n\n\n\n

Key Specifications at a Glance<\/mark><\/h3>\n\n\n\n
Tham s\u1ed1<\/strong><\/td>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/strong><\/td><\/tr>
System energy density<\/td>190\u2013210 Wh\/kg<\/td><\/tr>
Improvement over Gen 1<\/td>~40%<\/td><\/tr>
Voltage platform<\/td>3.8V (up from 3.2V)<\/td><\/tr>
10%\u219270% charge time<\/td>5 minutes<\/td><\/tr>
10%\u219297% charge time<\/td>9 minutes<\/td><\/tr>
-20\u00b0C capacity retention<\/td>>85%<\/td><\/tr>
-30\u00b0C charge (20%\u219297%)<\/td>12 minutes<\/td><\/tr>
CLTC range (120kWh+ pack)<\/td>1,000 km<\/td><\/tr>
Nail penetration test<\/td>No fire, no smoke<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Why LMFP Matters<\/mark><\/h3>\n\n\n\n

LMFP represents a significant evolution in cathode chemistry. By introducing manganese into the LFP structure, the material achieves a higher voltage platform (3.8V vs. 3.2V) while preserving the olivine structure and safety characteristics that made LFP attractive in the first place.<\/p>\n\n\n\n

The trade-off is that LMFP is more sensitive to processing conditions\u2014particularly \u00f4 nhi\u1ec5m kim lo\u1ea1i<\/strong>. Manganese dissolution is a known technical hurdle for LMFP, and impurities can accelerate degradation. This makes contamination-free processing not just a quality issue, but a fundamental requirement<\/strong> for commercial viability.<\/p>\n\n\n\n

Raw Materials for Blade Battery Cathodes<\/mark><\/h2>\n\n\n\n

Core Material Inputs<\/mark><\/h3>\n\n\n\n

LMFP cathode production requires several key raw materials:<\/p>\n\n\n\n

Lithium sources<\/strong> (lithium carbonate Li\u2082CO\u2083 or lithium hydroxide LiOH)<\/p>\n\n\n\n

Iron sources<\/strong> (iron phosphate, iron oxide)<\/p>\n\n\n\n

Manganese sources<\/strong> (manganese sulfate, manganese oxide)<\/p>\n\n\n\n

Phosphorus sources<\/strong> (phosphoric acid, ammonium phosphate)<\/p>\n\n\n\n

These precursors must be processed into a uniform, high-purity cathode powder with specific particle size characteristics before they can be incorporated into battery electrode slurries.<\/p>\n\n\n\n

The Purity Challenge<\/mark><\/h3>\n\n\n\n

For battery materials, purity is not negotiable. Even trace amounts of metallic contamination can cause serious problems.<\/p>\n\n\n\n

For cathode materials, iron (Fe) contamination must stay below strict limits:<\/p>\n\n\n\n

V\u1eadt li\u1ec7u<\/th>Iron (Fe) Limit<\/th><\/tr><\/thead>
NMC 622 \/ NMC 811 (high-nickel)<\/td>< 10 ppm<\/td><\/tr>
LFP (ti\u00eau chu\u1ea9n)<\/td>< 50 ppm<\/td><\/tr>
LMFP<\/td>< 30 ppm<\/td><\/tr>
Cacbonat lithi (ti\u1ec1n ch\u1ea5t)<\/td>< 10 ppm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Source<\/strong>: Industry processing guide<\/p>\n\n\n\n

For high-nickel cathode materials, the limit drops below 5 ppm.<\/p>\n\n\n\n

Why so strict? Because metallic particles in the cathode can act as internal micro-shunts<\/strong>, causing localized galvanic corrosion, accelerating SEI (Solid Electrolyte Interphase) degradation, and ultimately leading to short circuits and thermal runaway.<\/p>\n\n\n\n

Why Particle Size Matters<\/mark><\/h2>\n\n\n\n
\"k\u00edch<\/figure>\n\n\n\n

Particle size is not an arbitrary specification\u2014it directly controls battery performance.<\/p>\n\n\n\n

For cathode materials<\/strong> (LMFP, LFP, NMC), particle size primarily controls:<\/p>\n\n\n\n

Electrode compaction density<\/strong>\u2014how much active material fits into a given volume<\/p>\n\n\n\n

Rate capability<\/strong>\u2014how fast lithium ions can move in and out<\/p>\n\n\n\n

Finer particles pack more efficiently and have shorter solid-state lithium diffusion paths, improving fast-charge performance. However, very fine particles also have high surface area, which increases side reactions with the electrolyte and raises first-cycle capacity loss.<\/p>\n\n\n\n

The optimal D50 for most cathode chemistries is 1\u201310 microns<\/strong>\u2014fine enough for good rate capability but not so fine that electrolyte reactivity dominates.<\/p>\n\n\n\n

V\u1eadt li\u1ec7u<\/th>M\u1ee5c ti\u00eau D50 \u0111i\u1ec3n h\u00ecnh<\/th><\/tr><\/thead>
LFP (ti\u00eau chu\u1ea9n)<\/td>1\u20135 \u03bcm<\/td><\/tr>
LMFP<\/td>1\u20135 \u03bcm<\/td><\/tr>
NMC 622 \/ NMC 811<\/td>1\u20136 \u03bcm<\/td><\/tr>
Cacbonat lithi (ti\u1ec1n ch\u1ea5t)<\/td>2\u20135 \u03bcm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Source<\/strong>: Industry processing guide<\/p>\n\n\n\n

Particle size specifications can be as strict as D50 \u00b1 0.5 microns<\/strong>.<\/p>\n\n\n\n

Why Jet Mill Over Ball Mill?<\/mark><\/h3>\n\n\n\n

Ball milling is the dominant method for mineral powders, but it introduces metal contamination through media and liner wear. A single pass in a steel ball mill can add hundreds of ppm of iron<\/strong> to cathode powder. Even ceramic ball mills leave behind ZrO\u2082 or Al\u2082O\u2083 contamination that disrupts battery chemistry.<\/p>\n\n\n\n

Jet milling avoids this completely:<\/p>\n\n\n\n

No grinding media<\/strong>\u2014particles grind against each other in a high-velocity gas stream<\/p>\n\n\n\n

Minimal contamination<\/strong>\u2014the only solid contact surface is the chamber wall<\/p>\n\n\n\n

Ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t h\u1eb9p<\/strong>\u2014integrated classification ensures consistent output<\/p>\n\n\n\n

This is why fluidized bed jet milling has become the standard technology across the battery supply chain<\/strong>.<\/p>\n\n\n\n

Technology Highlight 1: Ceramic Lining<\/mark><\/h2>\n\n\n\n
\"B\u00e1nh<\/figure>\n\n\n\n

The Problem<\/mark><\/h3>\n\n\n\n

During ultra-fine grinding, any metal-to-material contact can introduce exactly the kind of contamination that battery manufacturers reject. Conventional steel mills generate frictional wear that elevates iron content by margins that constitute an immediate rejection criterion for Tier-1 EV manufacturers. <\/p>\n\n\n\n

The Solution: Ceramic-Lined Contact Parts<\/h3>\n\n\n\n

Ceramic lining addresses this problem at the source. By replacing all metal contact surfaces with advanced ceramic materials, the system prevents contamination from entering the powder stream.<\/p>\n\n\n\n

B\u1ed9t s\u1eed thi<\/a><\/strong> offers ceramic-lined jet mills where all material-contact components\u2014including the lining, feeding mechanism, nozzles, and classifying wheel\u2014are made from 99% alumina (Al\u2082O\u2083) or zirconia (ZrO\u2082) ceramics<\/strong>.<\/p>\n\n\n\n

Key benefits<\/strong>:<\/p>\n\n\n\n

Prevents metal contamination<\/strong> during airflow crushing<\/p>\n\n\n\n

High hardness and wear resistance<\/strong> minimize wear and foreign matter introduction<\/p>\n\n\n\n

Ideal for high-purity materials<\/strong> in the battery and non-mining industries<\/p>\n\n\n\n

Extends equipment service life<\/strong> by reducing wear on critical components<\/p>\n\n\n\n

Ceramic protection also reduces the introduction of impurities, thereby decreasing battery self-discharge rates, extending battery life, and improving safety and consistency<\/strong>.<\/p>\n\n\n\n

Application Case<\/h3>\n\n\n\n

A leading chemical manufacturer in Wuxi, China, partnered with Epic Powder to produce Boehmite (AlOOH). It’s a critical material used in lithium-ion battery separator coatings due to its excellent heat resistance and chemical stability.<\/p>\n\n\n\n

The requirements<\/strong>:<\/p>\n\n\n\n

Consistent particle size distribution (PSD) for uniform coating<\/p>\n\n\n\n

Zero metallic contamination<\/strong>\u2014even trace metals can cause short circuits<\/p>\n\n\n\n

Steady throughput to meet increasing orders<\/p>\n\n\n\n

Gi\u1ea3i ph\u00e1p<\/strong>: Epic Powder’s MQW Jet Milling System, engineered with a ceramic lining (alumina\/zirconia) for all contact parts, preventing any contact with metal surfaces during high-velocity grinding.<\/p>\n\n\n\n

Technical parameters<\/strong>:<\/p>\n\n\n\n

Material: Boehmite (AlOOH)<\/p>\n\n\n\n

Particle size: D50 5.6 \u03bcm<\/p>\n\n\n\n

Output: 280 kg\/h<\/p>\n\n\n\n

Technology Highlight 2: Nitrogen Closed-Loop Circulation<\/h2>\n\n\n\n
\n