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Battery Markets
- The Second Life of a Cathode: Why Recycling Is a Supply Story, Not a Cleanup
- Who Makes the Cathode? Reading the 2020 Assignee Map
- Direct Recycling vs. Smelting: the 2022 Methods Split
- Recovering Lithium Without the Furnace
- The Hidden Cost Line in 'Green' Battery Recycling
- Cobalt and Nickel: the Metals That Make Recycling Worth It
- What a Grid Battery Actually Has to Do to Earn Its Keep
- Black Mass: the Ugly Feedstock the Whole Recycling Industry Runs On
- Regenerating a Dead Cathode at Room Pressure
- The Second-Life Question: When Does a Pack Retire — and Where Does It Go?
- Electrochemical Recycling and the Cleaner Path to Closing the Loop
- Upcycling: When a Recycled Cathode Comes Back Better Than New
Energy
- LG Energy Solution Tops the Week's Battery Pub Drop — and Splits Its IP Across Chemistry and the Pack
- Sila Sues Carbon One Over Silicon-Carbon Anode Patents in E.D. Texas
- NextNRG Swaps a $100,360 Insider Note for Stock — Read the 8-K
- NHTSA Denies Defect Petition DP21-003 Over Alleged Kia and Hyundai Throttle Defects
- FERC Issues Final EIS for 972-MW Seminoe Pumped Storage Project in Wyoming
- LG Energy Solution's Pub-Drop Reads Like a Pack-and-Safety Roadmap, Not a Chemistry Bet
- Toyota's Latest Applications Point Toward Low-Cost Manganese-Phosphate Cathodes
- Ford's Battery Grants This Week Cover the Pack and Its Wiring, Not the Cell
- EVE Energy's Week of Applications Points to the Pack Enclosure, Not the Cell
- LG Energy Solution's Week of Grants Lands Heavily on Diagnostics and the Production Line
- Samsung SDI's Filings This Week Treat the Grid Battery as a Fire to Be Plumbed, Not Just a Cell to Be Built
- CATL's Week of Grants Spans the Cell From Cathode Powder to End-Cover Hardware
- Toyota's Battery Applications This Week Read Like a Manufacturing Plan for Two Bets at Once
- LG Energy Solution Took Home 19 Grants in a Week — and Most Cover How a Cell Is Built, Not What It Stores
- GM's Recent Battery Applications Spread Across Several Next-Generation Chemistries at Once
- SK On's Mid-April Grants Fence the Module, Not the Chemistry
- Graphenix's New Application Points Its Silicon Anode at the Solid-State Cell
- Group14's Late-April Grant Adds to a Granted Wall Around Silicon-Carbon Anodes
- GM's New Battery Filings Point Inward: Cooling, Venting, and Diagnosing the Pack
- LG Energy Solution's Week of Grants Maps a Footprint Around Pack Safety and Cell Manufacturing
- Toyota's New Battery Applications Point at Two Things: Venting Heat and Rethinking the Electrode
- What CATL Locked In This Week: A Cluster Around Cell Safety and Pack Manufacturing
- Ford's Filings Point to Storage and Charging Tucked Into the Vehicle's Edges
- Honda's May Grants Cover the Battery's Hard Parts: Heat, Charge, and Inspection
- Hyundai's Published Applications Point Toward Solid-State and Battery-Life Software
- Panasonic's Week of Grants Maps a Cell-to-Pack Coverage Footprint
- The Toyota-Panasonic Cell JV Is Quietly Filing on Two Things: Faster Assembly and Recycling
- Samsung SDI's Late-May Grants Fence Two Cell Formats at Once: Cylindrical and All-Solid
- Toyota's Battery Applications Keep Landing on Two Things: Solid-State and Lithium Detection
- SK On's June Grant Batch Reads as a Silicon-Anode Footprint, Not a One-Off
- CATL's New Patent Filings Lean Toward the Storage Station and the Solar Cell, Not Just the Battery
- LG Energy Solution Locked In 34 Battery Grants This Week — Mostly on the Cell, Not the Chemistry
- Lithium-Ion Packs Show Up in an Industrial-Computer Trade Filing - The Battery Is Everywhere Now
- NHTSA Wants to Score Cars on Reverse Pedestrian Braking - Why That Reaches the EV Bill of Materials
- A Stability Study Says How You Connect Big Battery Fleets to the Grid Changes the Risk
- A New Battery-Health Model Claims to Cut Error in Half - And That Maps Straight to Storage Economics
- Corvus Energy's Trade-Zone Filing Shows Where AD/CVD Tariffs Hit a Maritime Battery
- Tesla's FTZ Filing Lists the Parts Inside a Megapack - And Where the Duties Bite
- Atlas Lithium's 8-K Puts a Date on the Real Gate to Production: A June 26 Permit Vote in Minas Gerais
- Not Every EV Battery Recall Is About Fire: Inside Hyundai's Kona Coolant-Leak Campaign 22V-941
- Ford Replaced Whole Battery Packs on the F-150 Lightning. Recall 23V-168 Shows Why Software Couldn't Fix It
- Jaguar's I-PACE Battery Recall, Decoded: Why NHTSA Campaign 23V-369 Told Owners to Park Outside
- The Federal Permits That Govern How Lithium Batteries Move: What PHMSA's Latest Special-Permit Notice Means
- A Maritime Battery Maker Just Filed for Foreign-Trade Zone Status in Bellingham. It Signals Where Marine Storage Is Headed
- Tesla Files for Foreign-Trade Zone Status at Its Brookshire Battery Plant. Here's What the Notice Actually Asks For
Energy Storage
- Energy Vault Upsizes Its Convertible Debenture to $80M and Buys Covenant Room at Two Project Subsidiaries
- Eos Prices a $75M Registered Direct Raise — and Routes the Cash Straight Into a Cerberus-Backed JV
- A Cylindrical-Cell Grant Wave Points to Where the Cell Line Is Heading
- ProLogium Files a 425 on Its TDAC SPAC Merger - With a $250M Minimum Cash Condition and No Disclosed Valuation
- What Is a Non-GAAP Reconciliation? Regulation G, Explained
- What Is the 'Use of Proceeds' Section in an S-1?
- Tolling Agreement vs PPA for Energy Storage, Explained
- What Is Tax-Equity Project Finance for Battery Storage?
- What Is a Going Concern Qualification in an SEC Filing?
- How Does the 45X Advanced Manufacturing Production Credit Work?
- What Is a Take-or-Pay Clause in a Battery Supply Contract?
- What Is an Offtake Agreement in Energy Storage? A Filing-Grounded Explainer
- Tesla's 10-K Says Megapack Deployments Are Up and the Price Is Down
- Why Tesla Warns Its Megapack Numbers Swing Quarter to Quarter
- Enphase's Q1 2026 Gross Profit Fell to $100 Million — The Filing, Not the Deck
- Enphase's Gross Profit Went $1.06B → $629M → $687M. The Three-Year Arc, From the Filings
- Enphase's 10-Q Flags an ITC Step-Down for Storage — Here's the Line
- Runway Report: QuantumScape Held $145M in Cash at the End of Q1 2026
- Does QuantumScape's R&D Burn Pencil? The Multi-Year Numbers Say Patience Has a Price
- QuantumScape Rebuilt Its Cash Line to $230M in 2025 — Read the Use of Proceeds
- First Solar's 10-K Names the 45X Credit as a Policy Risk — Not Just a Subsidy
- NextEra's 10-K Confirms It Builds and Owns Battery Storage Through NEER
- Tesla Says Megapack Margin Improved on Lower Cost per MWh. Does It Pencil?
- Enphase's Margin Story Lives in the 10-Q, Not the Deck
- Patent of the Week: LG Energy Solution's 'Lithium-Free' Battery, Decoded
- Why LFP Quietly Took Over Half the Battery Market — and What the Patents Show
- Battery Recycling Is Becoming a Supply Chain, Not a Cleanup
- What Grid-Scale Storage Is Actually Made Of — Beyond the Battery
- The Real Cost of Fast Charging — Why Speed Trades Against Lifespan
- The Separator: The Cheapest Part That Can Burn Down a Battery
- Thermal Runaway: The Failure Mode That Defines Battery Safety
- What Solid-State Batteries Actually Change — Read Through Toyota's and LG's Patents
- Does Battery Thermal Management Earn Its Cost? Read the CATL Patents
- Why Silicon Anodes Are the Next Battery Bet — and Why They Keep Cracking
- How a Battery Management System Actually Knows the State of Charge
- What a Lithium-Ion Cathode Actually Does — Read Through the Patents
- What Actually Makes a Lithium-Ion Cathode Expensive
- How an Electric Car Guesses Its Own Range — the State-of-Charge Problem
- Lithium-Sulfur: the Chemistry That Keeps Almost Working
- Why Serious Battery Estimators Use Nonlinear Math
- Why a Battery Pack Lives or Dies by Its Cooling
- Solid-State's 2021 Patent Pileup: Who Was Really In the Race
- The Lithium-Metal Anode Problem, in Plain Terms
- Why Electric Aircraft Make Battery Engineers Sweat
- Air-Cooled or Liquid-Cooled? The Pack Trade-off, Decoded
- What Sodium-Ion Actually Trades Away — and Why CATL Bet On It
- Silicon Anodes Promise More Range — If They Stop Swelling
- Why Fast Charging Is a Fight Against Physics
- The Separator: a Thin Film Standing Between Order and Fire
- Prelithiation: Paying Off the Battery's First-Cycle Tax
- Catching a Failing Cell Before It Fails
- The Charging Protocol That Adapts to the Cell in Front of It
- QuantumScape's 2024 Solid-State Grant and the Anode-Free Bet
- How an EV Watches for the Fire That Hasn't Started Yet
- The Solid-State Compromise: Add Back a Little Liquid
- Non-Flammable Sodium-Ion and the Safety Pitch for Grid Storage
- AI Is Learning to Read a Battery's Health — Carefully
- Coating and Doping: the Cathode Surface Game in 2025
- Sodium-Ion Grows Up: the 2025 Anode and Cathode Grants
- The Quiet 2020 Push for Higher-Energy Cathodes
- Metal-Air Batteries: the Energy-Density Dream That Breathes
- The Micro-Short: Catching a Battery Fault at Its Faintest Stage
- Cells That Shrug Off Heat: the 2025 Wide-Temperature Push
- Tesla Just Booked Its First Megapack Deployment. The 10-Q Says It's Still a Rounding Error
- Enphase Bets the Next Leg of Growth on a Battery. Its FY2019 10-K Lays Out the Plan
- Tesla's FY2020 10-K Credits Storage Growth to Megapack and Powerwall — Here's the Caveat
- Enphase Says Encharge Is Now Shipping in Production Volume. The 10-Q Backs the Claim
- QuantumScape Has $346M in Cash and No Product Revenue. The Q3 2021 10-Q Sets the Clock
- QuantumScape's Path to Revenue Runs Through a B-Sample Cell. The Q3 2022 10-Q Spells It Out
- Does Tesla's Megapack Actually Make Money Yet? The FY2022 10-K Is the First Place to Look
- Tesla's FY2023 10-K Says Megapack Margin Improved on Lower Cost Per MWh. That's the Sentence
- QuantumScape's Cash Fell to $142.5M in FY2023. The Runway Math Is Getting Sharper
- Megapack Deployments Rose but the Average Price Fell in Q1 2025 — Read the Tension in the 10-Q