지속 가능한 미래 항공 기술 동향, 트렌드 및 시장 전망 2025-2045

이 보고서에서는 탈탄소화를 모색하는 항공산업에서 고려해야 할 주요 기술 및 전망에 대해 아래와 같은 주요 정보를 제공합니다

 

기술별

- 배터리 전기 항공기

- 하이브리드 옵션

- 수소 연소 항공기

- 수소연료전지 (액체 수소, 700bar 가압수소)

 

산업 분야별

- 일반 항공기

- 비즈니스 제트기

- 상업용 항공기

 

시장 전망

- 항공기 유형별, 파워트레인 별 판매 수량 전망

- 항공기 유형별, 파워트레인 별 판매 금액 전망

- 전기 항공기용 배터리 수요 전망

- 전기 프로펠러 항공기요 모터 수요 전망

 

이 보고서에서 다루는 주요 내용/목차는 아래와 같습니다.

 

1. 핵심 요약

 

2. 항공 우주산업 개요

- 주요 항공기 OEM

- 주요 엔진 제조업체

- 항공 우주분야의 주요 스타트업

 

3. 전기 및 하이브리드 항공기

- 일반 항공기 및 소형 항공기

- 비즈니스 제트기

- 상업용 항공기

- 총 소유비용

- 모든 종류의 전기 항공기

- 탄소 배출량에 미치는 영향

 

4 수소 연료전지 및 수소 연소 항공기

- 수소 동력 개요

- 일반 항공기 및 소형 항공기

- 비즈니스 제트기

- 상업용 항공기

- 총 소유비용

- 모든 종류의 수소동력 항공기

- 탄소 배출양에 미치는 영향

 

5. 지속가능한 항공연료 (SAF)

 

6. 항공기용 전기 배터리

- 현재 채택 가능한 옵션 및 벤치마킹

- 실리콘 음극

- 주요 업체

 

7. 전기 프로펠러 항공기

- 모터 요구사항

- 기술 옵션

- 주요 업체 및 제품군

 

8. 시장 전망

- 전기 항공기 판매량 예측

- 수소 항공기 판매량 예측

- 전기 및 수소 항공기 매출 전망

- 전기 항공기 배터리 수요 예측

- 전기 프로펠러 항공기 모터 수요 예측

 

The electric airplane market is in its infancy. To the best of IDTechEx's knowledge, there is only one example of an electric airplane for sale today: the Pipistrel Velis Electro. From IDTechEx's perspective, it has had a stellar start, with a surprising number of deliveries since its first in 2020. Electric powertrains fit small general aviation planes well, helping to drive a predicted 35.7% CAGR in electric general aviation airplanes between 2025 and 2035. But, this is just the beginning of a new era of aviation, with "Sustainable Future Aviation 2025-2045: Trends, Technologies, Forecasts" finding that electric and hydrogen-powered airplanes can contribute to a decarbonized aerospace industry across a spectrum of aircraft. From the smallest two-seaters like the Velis Electro, to the largest planes on the market, like the Boeing 777, electric and hydrogen power can provide value and reduce GHG contribution.

 

 

Despite the success of batteries in the automotive industry, and the admirable technological improvements they have shown, it will be almost impossible for battery-electric aircraft to achieve the ranges of existing jet fuel airplanes. The batteries will simply be too heavy, especially for commercial airliners, which need to burn tens of tonnes of fuel before landing to hit their maximum landing weights. This weight limit leaves scarcely a few tonnes of wiggle room for batteries to occupy. A narrow-body airplane like the Boeing 737-10 requires around 100MWh to get its full range. A battery this size would weigh hundreds of tonnes. Even future battery technologies like silicon-anode, metal-anode, or aluminum air will likely be too heavy. As such, full range with battery power alone is a near impossibility.

 

 

The key to the success of battery-powered commercial airliners is to deploy them strategically. Some of the most popular, highest-volume routes flown today are less than 1,000km. Routes like LAX to SFO (Los Angeles to San Francisco) and LHR to FRA (London to Frankfurt) are only 540km and 655km respectively. This is not easily electrifiable today, but there are some avenues open that could help get there, such as:

 

Hydrogen has great promise thanks to its gravimetric energy density, at 39.3kWh/kg, it is three times as energy-dense as jet fuel and more than 100 times as energy-dense as today's lithium-ion batteries. This can be hugely exciting until its volumetric limitations are understood. Even in liquid form, hydrogen occupies nearly four times the volume of jet fuel for the same energy. The limiting factor is getting enough storage volume on the airplane to make it useful. It is also limited by the need to be cryogenically cooled to remain a liquid, or pressurized to have useful volumetric energy density as a gas. Despite these limitations, this report explains how hydrogen can be used strategically to fulfill significant air travel demand.

 

 

While Hydrogen can easily fulfill enough air travel demand to make it worthwhile, "Sustainable Future Aviation 2025-2045: Trends, Technologies, Forecasts" shows that the key challenge for hydrogen will be balancing fuel costs with carbon credentials. Green hydrogen, from renewable water electrolysis, is the greenest, but also the most expensive way of producing hydrogen. Blue hydrogen, produced from natural gas with carbon capture and storage (CCS), is significantly cheaper but does not provide 100% CO₂ removal. Conventional grey hydrogen on the other hand can be made very cheaply, and a grey hydrogen-powered fuel cell airplane would be much cheaper to fuel than jet fuel. However, grey hydrogen emits around 10 kg of CO2 for every kg of hydrogen. This report shows the expected net emissions for each hydrogen production type highlighting which can produce a benefit compared to traditional fossil fuels.

 

IDTechEx believes that the technology exists today to build a hydrogen airplane, the industry is just in the process of demonstrating the technology, certifying, scaling etc. A process that is going to take many years. But even if hydrogen and electric planes were ready today, the industry would still need SAF to decarbonize by 2050. There is currently a fleet of around 25,000 commercial airliners in use today, and some of them will still be around in 30 years, such is the long life of these airplanes. Business jets and general aviation are even worse. This report finds there are planes in use today in the US that were built more than 80 years ago. The only realistic option to fully decarbonize by 2050 is to adopt SAF for airframes that are built today, but still be in use then.

 

In addition to aging airframes, there will still be other factors necessitating SAF. The maximum range of planes today is unlikely to be reachable with hydrogen, meaning some routes will be confined to kerosene-like fuels indefinitely. Additionally, some airports simply won't be able to afford new electric and hydrogen fuelling infrastructure and will have to take SAF as a drop-in alternative.

 

As the aerospace industry looks to decarbonize, this report covers the key technologies considered for its future:

- liquid hydrogen

- 700 bar pressurized hydrogen

 

The report covers how these technologies are used across:

 

The 20-year forecasts in this report cover:

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