Toyota promises 1,500 km by 2030 as industry replies: 'Again five years away'
Toyota has set a date for the leap the industry has promised for a decade without delivering: electric cars with solid-state batteries. According to its roadmap, a Lexus with 965 km of range using lithium-ion cells will arrive in 2026, solid-electrolyte cells will begin production in 2027, and the brand aims for nearly 1,500 km per charge by 2030. It is late 2023, the headline is spectacular, but the car does not yet exist.
What Toyota promises and why the 965 km figure is the only verifiable one
The Japanese manufacturer is working on solid-state batteries instead of standard liquid-electrolyte lithium-ion ones. The attributed advantages are textbook: higher energy capacity, faster charging, and lower fire risk, which is significant in transport. The key benefit is that similar-sized packs yield much greater range.
However, the first step is not solid-state. The 2026 Lexus with 965 km remains lithium-ion, just better optimized than current standards. Solid-state technology would enter a year later, with gradual improvements toward the near-1,500 km figures by 2030. In other words, the major promise is seven years away.
Why are there doubts about solid-state battery timelines?
Because the chemistry is not new and the calendar repeats. As noted in discussions, Faraday described solid electrolytes in 1831 and Kamaya proved in 2011 that solid ions could compete with liquids; the remaining obstacle was cost. By mid-2021, these batteries began appearing in small devices, and several automakers announced cars for 2025. That date passed like all others.
Some recall hearing since 2017 that it is always five years away. Comparisons with graphene—twenty-five years of being three years from market—also appear. Others argue that electronics, appliances, and computing should have used them long before moving two tons on four wheels.
The physics wall: gasoline stores 13 kWh per kilo
This is the problem no advertisement solves. A circulating calculation suggests gasoline's energy density is around 13 kWh/kg, with about 1.7 kWh/kg reaching the wheels after losses. The same calculation places theoretical lithium-air density at 12 kWh/kg (43.2 MJ/kg), comparable on paper, but with a drawback: shorter lifespan due to anode degradation compared to LiFePO4 oxidants.
The full breakdown of thermal vs. electric performance, with real utilization figures per kilogram, underpins arguments favoring combustion engines. Anyone tracking 40 or 60 kWh battery evolution knows the issue: storing enough energy for hundreds of kilometers adds significant weight.
The gaining alternative: 60 km electric plus a 250 cc generator
Against the race for giant battery packs, some analysis favors extended-range vehicles. The recipe: a small battery for 60-70 km urban plug-in range and a small combustion engine in the trunk acting as a generator, producing 17-20 kWh to maintain charge outside cities. At optimal RPM, this approach claims a 250 cc engine consuming 4.5 l/100 km suffices.
Commercial parallels are direct: participants cite the Qashqai, with homologated 5.5 l/100 km, using a constant-RPM combustion engine feeding an electric motor. Benefits claimed include removing pollution from cities where it is most generated while maintaining tank-based range. The persistent doubt concerns highway driving and holiday traffic.
Weight, home charging, and chargers: unresolved details
Uncomfortable questions involve basic arithmetic. How heavy is a 965 km accumulator? How long does it take to charge via a 7.2 kW domestic socket? The sarcastic reply—'fifteen days'—is not a calculation but highlights the real problem: without infrastructure, even the best car is expensive furniture. Some warn, without data, that battery replacements may cost more than the vehicle and warranties might not cover them.
One participant shares observations from a construction site: workers drive combustion vehicles except one engineer who charges his EV with a long cable at the office after a sub-15 km commute. His conclusion: EVs suit those who can afford them and travel little slowly; for others, bus, bike, and hopefully scooter remain options.
Meanwhile, Toyota sells hybrids
It is worth noting the actual business. The Japanese brand built its position on hybrids—with plug-ins as a house format—and this remains the bulk of sales. Much analysis considers it wise to avoid deep loss-making electric ventures. Another view reads it oppositely: solid-state announcements are investor bait, and Toyota's real position in the EV race is further behind than admitted.
Hydrogen also fails as salvation. It is described as difficult to handle, high-calorie per kilo but tricky management, ending in fuel cells or adapted thermal engines. A repeated conclusion among participants: viability lies in letting each technology mature so buyers decide independently.
So we remain where we always were. The date is set, the brand name too, and the 1,500 km car is still a line on a calendar. Until 2027, whatever happens, someone will announce it again.
Summary of a discussion on Burbuja.info - Foro de economía, actualidad y política., translated from Spanish and reviewed before publication.
Read the full discussion (135 replies).
Toyota promises a solid-state battery with 1,200 km range and 10-minute charging by 2027. Experts question the grid capacity needed for such high-power charging.