Frontiercell https://validator.w3.org/feed/docs/rss2.html 이차전지 셀 기술·특허 분석 [특허분석] 테슬라 탭리스 기초특허(US11749842B2) 심층분석 — 46파이 원통형 셀 표준을 떠받치는 권리범위와 회피설계 Twice a Day for 25 Years — The 18,250 Cycles a Jeju ESS Contract Asks of a Cell 하루 두 번, 25년 — 제주 ESS 장기계약이 셀에 묻는 18,250이라는 숫자 못을 박아도 안 타는 이유는 화학이 아니라 비율이었다 — BYD 블레이드 배터리의 형상 특허 ABOUT Forty-Two Minutes to First Contact — The First Gate of Satellite Power Seen Through Nuri’s Fourth Launch, and a Patent That Fuses Solar Cells with Batteries Why Split an Electrode Through Its Thickness — Multilayer and Gradient Design and LG Energy Solution’s Double-Layer Anode Patent (US11777080B2) What You See When Cell Internal Resistance Is Split in Three — Ohmic, Charge-Transfer and Diffusion Resistance and BMW’s Impedance Decomposition Patent (US12055593B2) Why Is Pouch Film Three Layers? — The Roles of Nylon, Aluminum, and CPP and the Weak Point of the Seal The Chemistry of the Glue That Holds Electrodes — Why Aqueous CMC/SBR and PVDF/NMP Split Between Anode and Cathode A Metal-Coated Film Instead of Metal Foil — Weight and Safety Gains of Composite Current Collectors, and the Welding Problem Wet PE vs. Dry PP: What Sets Separator Base Films Apart — Shutdown Temperatures and the Foundational Trilayer Patent Stacking Voltage Inside the Cell — The Principle of the Bipolar Electrode Structure and Toyota Industries’ US11735743B2 The Farther From the Tab, the Hotter the Cell — Where Current and Temperature Non-uniformity in Large-Area Cells Comes From Short Circuits Start at the Electrode Edge — The Design Logic of Ceramic Insulating Layers on Cathode Edges Water Hiding in Empty Rooms — The Crystal Water Problem of Prussian Blue Analogue (PBA) Sodium-Ion Cathodes From 314 Ah to 587 Ah — The Design Challenges That Change When Scaling Up LFP Prismatic Cells for ESS Dissolved at the Cathode, Showing Up at the Anode — Transition Metal Dissolution, the CEI and Degradation That Crosses the Cell All-Solid-State Oxide vs. Polymer Electrolytes — How Patent Filing Strategies Differ After InterBattery 2026 — Where the Strategies of Korea’s Big Three Battery Makers Diverge (March 2026) All-Solid-State Battery Interfacial-Resistance Patents — Why Does Resistance Rise When Solids Meet? Electrode Tab Design — The Hidden Variable That Determines Internal Resistance Lithium Pre-Doping That Raises Energy Density by 10% — the Last Piece of the Silicon Anode Puzzle? Why 2027 Is the Real Turning Point in the All-Solid-State Battery Commercialization Race — the Different Bets of Samsung SDI, CATL, and BYD Thermal Runaway Propagation Blocking Patents — How to Keep Fire From Spreading to the Neighboring Cell Robots Are Rewriting the Battery Blueprint — the Physical AI Market Samsung SDI’s ‘All-Solid-State Battery’ Is Targeting In-Depth Analysis of Samsung SDI’s Sulfide-Based Solid Electrolyte Patent (US11955601B2) — the Narrow but Solid Fence of the ‘XRD Peak Ratio’ [Patent Analysis] The Scope of Claims Over Sulfide Solid Electrolytes, Seen Through CATL’s Cathode Coating Patent (WO2026045270A1) CATL vs. BYD: Two Patent Blueprints for Preventing Interface Degradation in All-Solid-State Batteries How the Race for All-Solid-State Battery Pilots Is Reshaping Cell Formats and Driving AI Inspection Equipment Demand BMS SOC Estimation Patents — How Is Remaining Battery Capacity Calculated? CATL vs. Rivian: A Head-to-Head Comparison of All-Solid-State Interface Coating Patents — The Claim Scope of WO2026045268A1 and US12424625B2 Solid-Electrolyte Batteries: Standards Are Getting Ahead of Patents — The Question Raised by a China-Led IEC Project SK On’s Dry-Electrode Compression-Ratio Patent (US12199265B2) — The Narrow Window for Crack-Free Roll-to-Roll Calendering The Judgment Happens Inside the Chip, Not the Camera — How Edge AI Vision Inspection Is Entering Battery Electrode Lines [Patent Analysis] LG Energy Solution’s Dual Slot-Die Coater Patent (US20250375790A1) — The Scope of Rights Opened by Simultaneous Double-Layer Coating Through a Die-Lip Thickness Differential [Patent Analysis] What Secondary-Battery Laser-Notching Patent KR102430493B1 Reveals About the Narrow Margin of Roll-to-Roll Tension Variance — DA Technology’s ‘Gap Guard’ Design 46mm Cylindrical Cells, From a Mass-Production Race to a Patent War — LG Energy Solution vs. EVE Energy’s ITC Investigation Opens a Fork in the Tabless Standard [Patent Analysis] AI Vision Defect Detection System Patent (KR102563230B1) — The Narrow Gate That an Integrated CCTV-Control Element Opens for Battery Inspection Equipment [Patent Analysis] A Deep Dive Into Tesla’s Foundational Tabless Patent (US11749842B2) — The Scope of Rights and Design-Around Options Underpinning the 46mm Cylindrical Cell Standard [특허분석] ESS 화재 안전 특허 2건 정면비교 — 음향감지(KR102254734B1) vs 온도상승률 냉각제어(KR102406230B1)로 본 무인 배전선로 ESS의 권리범위 [Patent Analysis] Two ESS Fire-Safety Patents Head-to-Head — Acoustic Detection (KR102254734B1) vs. Temperature-Rise-Rate Cooling Control (KR102406230B1) and the Scope of Rights for Unmanned Distribution-Line ESS Grid-Distribution ESS: How to Expand the Power System Without Building New Substations — What LG Energy Solution’s 7 Distribution Lines and 140MWh Mean What Sebang Lithium Battery’s Trillion-Won Orders Reveal — Why the ‘Middle Ground’ of Battery Pack Assembly Is Growing Between Automakers and Cell Makers ITC 제소·무효심판·합의 — 배터리 특허 분쟁 기사를 읽는 입문 용어 ITC Complaints, Invalidation Trials, Settlements — The Terms You Need to Read Battery Patent Dispute News What’s the Difference Between A1 and B2 After a Patent Number? — A Primer on Reading Battery Patents Through Publication, Grant, and Expiry 배터리 스펙표 읽는 법 — Wh·Ah·Wh/kg·C-rate·SOH, 다섯 숫자가 말하는 것과 말하지 않는 것 How to Read a Battery Spec Sheet — What Wh, Ah, Wh/kg, C-rate, and SOH Tell You, and What They Don’t