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A storage vessel for storing a fluid substance, said storage vessel including a plurality of abutting individually sealed storage chambers, each chamber capable of withstanding super atmospheric pressure, with adjacent chambers forming at least one fluid passageway therebetween,

A storage vessel for storing a fluid substance, said storage vessel including a plurality of abutting individually sealed storage chambers, each chamber capable of withstanding super atmospheric pressure, with adjacent chambers forming at least one fluid passageway therebetween, characterised in that at least one said chamber includes an external peripheral seal configured to be relatively weaker than the remainder of said vessel.

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What I claim is: 1. A storage vessel for storing a substance, the storage vessel comprising: a plurality of individual storage chambers assembled so as to be capable of withstanding pressures greater than atmospheric, wherein at least a first individual storage chamber is adjacent to a second indiv

What I claim is: 1. A storage vessel for storing a substance, the storage vessel comprising: a plurality of individual storage chambers assembled so as to be capable of withstanding pressures greater than atmospheric, wherein at least a first individual storage chamber is adjacent to a second individual storage chamber, thereby creating at least first and second adjacent chambers, and the first and second adjacent storage chambers are each formed from a pair of plates, the pair of plates being spaced apart a predetermined distance by a plurality of surface features extending from at least one surface of at least one of the pair of plates, the surface features creating a circuitous fluid flow path that restricts a rate of flow of the substance through the storage vessel; a peripheral seal, the peripheral seal being formed along a periphery of at least one of the pair of plates in at least one of the plurality of individual storage chambers and joining the pair of plates to form the at least one of the plurality of individual storage chambers, wherein the peripheral seal is formed to fail or crack prior to a remainder of the vessel in an impact; and at least one passageway between the first adjacent chamber and the second adjacent chamber, allowing the substance to move from the first adjacent chamber to the second adjacent chamber. 2. The storage vessel as claimed in claim 1 wherein the substance is a flammable liquid or gas substance. 3. The storage vessel as claimed in claim 1 wherein the substance is a combustible fuel. 4. The storage vessel as claimed in claim 3 wherein the substance is compressed hydrogen gas. 5. The storage vessel as claimed in claim 3 wherein the substance is liquefied hydrogen. 6. The storage vessel as claimed in claim 3 wherein the substance is a compressed hydrocarbon gas. 7. The storage vessel as claimed in claim 3 wherein the substance is a liquefied hydrocarbon gas. 8. The storage vessel as claimed in claim 1 wherein each of the individual storage chambers are formed by assembling a plurality of plates together to form an integral vessel. 9. The storage vessel as claimed in claim 1 wherein the at least one passageway further allows venting between the first and second adjacent chambers. 10. The storage vessel as claimed in claim 9 wherein the at least one passageway between the first and second adjacent chambers are offset in relation to at least one passageway between the second and third adjacent chamber. 11. The storage vessel as claimed in claim 10 wherein the first and second adjacent chambers include at least two passageways therebetween, permitting the movement of a settled liquid through a first passageway and a gas or vapour through a second passageway. 12. The storage vessel as claimed in claim 1 wherein said plurality of surface features extend from a first and a second opposing plate surface and are corrugations. 13. The storage vessel as claimed in claim 12 wherein the corrugations extending from the first opposing plate surface are angled in opposing directions to the corrugations extending from the second opposing plate surface, creating a plurality of contact points between the plurality of surface features. 14. The storage vessel as claimed in claim 12 wherein the corrugations are arranged in a pattern chosen from chevron and herringbone. 15. The storage vessel as claimed in claim 1 wherein the surface features are selected from regular corrugations, irregular corrugations, regular shapes, irregular shapes, and projections or protrusions including saw-tooth, castellations, washboard corrugations and sinusoidal extrusions. 16. The storage vessel as claimed in claim 15 wherein the surface features terminate at a distance from the peripheral edge of the plate. 17. The storage vessel as claimed in claim 15 wherein the surface features extend to the peripheral edge of the plate.