Batteries/charging tech advances and infrastructure policy
Key Questions
What progress is being made on solid-state batteries?
Stellantis has a prototype, Honda is building a factory, and Samsung SDI targets mass production in 2027 using roll-press methods. CATL leads a $6 billion consortium while companies like Solid Power and Ilika advance commercialization.
How is vehicle-to-grid (V2G) technology expanding in Europe?
VW Group and Elli launched a volume V2G package in Germany offering €720 annual bonuses, with 85% of new EVs expected to be bidirectional by 2035. Nissan and Easelink are developing automated underbody charging to boost adoption.
What investments are underway for EV charging infrastructure?
Spain allocated €104 million for 2,674 new fast chargers with a minimum 150 kW output. WattEV opened a heavy-duty depot in Fresno with megawatt chargers, and Kentucky launched an 800 kW site.
Are sodium-ion batteries entering mass production?
CATL has begun mass production of sodium-ion cells as a lower-cost alternative. The company also identifies mining as the current supply bottleneck and is pursuing lithium-air technology with 1,200 Wh/kg lab prototypes.
What charging technology advances are highlighted?
BYD claims 5-minute charging (unverified) with potential Canada expansion, while Shell develops immersion cooling for 10-minute charges. GaN modules support 800-volt systems and optimized charging could ease grid strain at a 25:1 EV-to-charger ratio.
What second-life battery applications are emerging?
Retired EV batteries are being repurposed for grid storage by firms like B2U, Redwood, and Moment Energy. Electric school buses in California provide 8 MWh of V2G support, though data access and economics remain challenges.
How are governments supporting battery and charging R&D?
The UK’s Ilika raised £4.56 million for solid-state development. Spain and Massachusetts offer grants for chargers, while Japan achieved a 674 Wh/kg Li-S pouch cell breakthrough using COF-graphene hybrids.
What regulatory or environmental risks face battery makers?
Hungary suspended Semcorp and is probing Samsung SDI over pollution concerns, signaling rising operational risks. China introduced a 60-day payment rule and is curbing oversized EV batteries to reshape design incentives.
Solid-state maturation: Stellantis prototype, Honda factory, Honda/QuantumScape JRA, Toyota roadmap, crewed flight. CATL chief says level 4 of 9. TIES semi-solid cells. CATL sodium-ion mass production. BYD 5-min charge claim (unverified); BYD's 5-minute charging network may expand to Canada. V2G: VW Group & Elli launch volume V2G package in Germany (~1M bidirectional-ready, €720/yr bonus). Europe V2G 'gold mine' – regulatory changes, €440/year savings, 85% new EVs bidirectional by 2035; Strategy& data. Nissan & Easelink develop automated underbody V2G charging to solve plug-in barrier; Matrix Charging Interest Group with Audi, Voyah. Shell immersion coolant (10-min charge). GaN module for 800-V. Charging infrastructure: Uber #1 barrier; Spain EUR 200M grants plus new €104M investment (2,674 points, 150 kW min, 341 projects); MA multifamily charging leads. UK charger rollout slows to 10% growth – policy uncertainty, investor hesitation. Ultra-rapid chargers grow 37% YoY. Cornell battery regeneration lab-stage. Sodium-ion market growth. Donut Lab battery breakdown debunked – independent testing shows voltage curve and graphite anode evidence. Solid Power appoints BMW battery strategy VP to board – deepens BMW commitment to sulfide-based solid-state. Samsung SDI solid-state batteries earn early nod – 2027 mass production target, roll-press manufacturing method; humanoid robot application. CATL chief scientist names lithium-air as long-term strategic direction – 12,000 Wh/kg theoretical, 1,200 Wh/kg lab prototypes. China battery industry introduces 60-day payment rule. CATL says mining is now the battery supply bottleneck. Driivz + Iberdrola | bp pulse charging platform for 2,500 fast chargers in Iberia. Air Energy seed-funded for solid-state lithium-air battery targeting 1,000 Wh/kg. CATL solid-state consortium (CASIP) with 6B yuan funding. Shared charging models for electric trucks proposed. Verdek/Andromeda V2G partnership claims 90% cost reduction (unverified). Optimized charging could reduce costs – Alliance for Automotive Innovation highlights 25:1 EV-to-charger ratio. Tellus Power partners with Nayax for integrated EV charging and payments. Hungary launches pollution watchdog for EV battery makers – Semcorp suspension, Samsung SDI probes; signals rising operational risks in European battery hubs. China moves against oversized EV batteries – state media framing as policy issue; could reshape battery design and incentive structures. BNEF 2026 outlook: 23.3M global EV sales, 27% share, regional divergence. CATL mass-producing sodium-ion and chasing lithium-air – 1,200 Wh/kg prototype but moisture and cycle-life hurdles remain. LG Energy Solution details dry electrode process for sulfide-based solid-state batteries – Key manufacturing bottleneck addressed; formability and silicon anode compatibility highlighted. Ilika raises £4.56m to commercialise solid-state batteries – Dual-track: Stereax for medical, Goliath for EVs/defense; small but notable UK battery signal. EV motor controller market projected to grow at 28% CAGR, shift to SiC/800V. 64 EV chargers installed at Boston multifamily complex – 70% cost covered by Eversource incentives; concrete case study for multifamily charging progress. Solid-state battery research advances – New study on SSE conductivity and safety trade-offs; fundamental research progress. Electrify America launches NACS/J3400 pilot charging stations – phased rollout with specific locations and timelines. Spain invests €104M for 2,674 new charging points, 150 kW min, 341 projects. BYD's 5-minute charging network may be coming to Canada – unverified 1 MW Super e-Platform claim. Solid-state battery explainer provides good primer on challenges. New solid-state battery safety review provides multiscale evaluation of abuse conditions – timely as commercialization nears. Electric school buses V2G pilot in California – 230 buses providing 8 MWh for grid stabilization; highlights barriers and scalability. Japan COF-graphene hybrid Li-S battery breakthrough – 674 Wh/kg pouch cell, 0.034% fade/cycle; early-stage but novel molecular engineering. Penn State turns plastic bottles into battery graphite that outperforms natural samples – lab-scale breakthrough using waste PET; cleaner process without metal catalysts; early-stage signal for sustainable battery materials. Battery swapping for e-bikes in US – NYC safety pilot, Honda MPP; niche but practical infrastructure innovation. Fuji Keizai sees semi-solid-state battery market at 1.2 trillion yen by 2040 – reinforces semi-solid as near-term bridge; ESS application angle. Hungary threatens clampdown on EV battery industry – Semcorp suspended for pollution, Samsung SDI probes; political shift after Orban's loss signals rising operational risks in European battery hubs. Samsung SDI splits 25 trillion won battery bet – solid-state mass production H2 2027; Ulsan/Cheonan split. WattEV opens new heavy-duty charging depot in Fresno – MCS megawatt chargers, connecting ports to inland hubs. Second-life EV batteries for grid storage – B2U, Redwood, Moment Energy examples; tension between falling new battery prices and repurposing economics; data access bottleneck and EU battery passport policy angles.